Elecraft K3 Schematics
User Manual: Pdf K3 Schematics
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Elecraft K3 Schematics This document contains the schematics for the Basic K3 Transceiver and most of its options. The schematics are preceded by a Block Diagram for context. This is a preliminary document, and will be superseded by the Schematics section of the Service Manual, when published. The schematics are ordered as the basic K3/10, then various options. BLOCK DIAGRAM K3/10 RF Board Band Stop Filter Mixer Crystal Filter KIO3 KANT3 KNB3 KREF3 KSYN3 Front Panel DSP 10-watt PA OPTIONS KBPF3 KXV3 KAT3 DVR KPAIO3 KPA3 General Coverage Receiver Bandpass FIlters Transverter Interface and Receive Antenna Switching 100-watt Antenna Tuner Digital Voice Record/Playback Part of 100-watt PA Part of 100-watt PA Copyright © 2007, Elecraft, Inc. All Rights Reserved. K3 Block Diagram 64 S D SCK3 5A 12B BPF_IF2 Sub Rcvr J64A Stop-Band Z3 IRFI630 Q3 R4 4 6 4 3 1 2 1 2 2 1 5 6 3 3 Q5 BYP MOSIBPF2 MISO3 2 4 7R K9A N:10 24 LD_BPF2 P44C P44E 11 C218 L33 11.5 C50 2N7002 G 8.215 MHz P44A Aux. BPF 9 11 8 10 12 P44A/C/E 7T 2 5 7 3 5 1 W4 2 SUBRX 1 4 7R Filter 3 S D (Sh. 2) BPF_RF 12B 10K G W30 3 2 4 K8A 3 3 3 3 K6A 2 4 2 4 3 C147 C186 100 L3 0.25 C138 33 20 C120 470 39 C126 C118 820 4 C81 1300 40 C130 100 C123 C142 5 (60/20) 40 C144 2 40 L2 0.25 6 m L10 1.0 (17/10) C185 22 C223 L1 0.25 C140 3.9 L13 1.0 40 (15/12) 10/12 m C182 2 L6 1.0 C149 C183 C134 40 20 33 C187 33 C139 C148 C188 220 C184 40 40 C152 120 9 8 9 9 7 9 7 K5B K9B K6B 8 8 7 K8B C157 470 C154 39 C155 820 C129 8 7 C156 K3B 1000 100 C153 K1B 9 7 7 8 9 /PTT_IN /KEY_IN /DOT /DASH 8 .001 C1 390 C89 L16 1.2 C92 C131 40 C107 C86 150 C122 100 L8 4.5 56 C117 (40/30) 15/17 m L12 1.0 40 K7 40 K2B (80) 9 C84 560 90 100 C74 C177 C172 1500 RFC1 RFC2 RFC3 RFC4 C146 20/30 m 40 40 C179 C136 C128 20 C141 3.9 C174 220 C180 40 L11 1.0 K4 5 C143 J12 Paddle (160) 8 7 C82 1300 40/60 m 40 C133 80/160 m L7 1.0 C181 L9 4.5 56 C116 K2A L4 4.5 L5 L18 27 Band-Pass Filters 3 (160) C135 40 40 C132 120 C124 C119 1000 C173 1500 (80) 2 C178 90 100 C125 C78 150 K5A K3A 2 4 K1A 2 4 560 C79 W31 W32 W33 3 3 250V 2 4 2 4 .015 9 7 9 7 C275 J13 Key R72 470 100 24 5 6 XVTRON SCK3 MOSI3 LINE_IN- 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 BK_PH_L LINEOUT_R BK_MICAFC3 C2 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 /Q6 /Q1 /G /CLR /Q3 C257 11 BPF_IF SOUT RCK /Q4 /Q5 /Q7 /Q2 SRCK /Q0 GND SIN VCC LD_BPF2 L35 470 µF 470 µF 9 10 11 12 13 14 15 16 9 10 11 12 13 14 15 16 TPIC6C595D U2 SOUT RCK /CLR /G /Q4 /Q5 /Q2 /Q3 /Q6 /Q7 SRCK GND /Q1 /Q0 SIN VCC MOSIBPF1 11.5 + + U4 TPIC6C595D 8.215 MHz C71 W15 RFC36 3 4 BK_PH_SW MOSI3 MISO3 C61 .047 BPF_IF2 5A C236 .047 5A 1 2 SCK3 SPKR_L SPKR_R C251 100 SCK3 100 R28 C75 J14 PTT In C108 J15 Key Out C165 8 8 C160 C93 BK_PH_R ALC C163 LINE_IN+ BK_MICAF+ LINEOUT_L C111 /PTT_IN /KEY_IN DIG0 J76 By 1 1 (40/60 m) (80/160 m) (10/12 m) (6 m) K3 K1 K8 K9 (80 or 160 m) (Attn., SH. 4) K10 .01 A4 Rev. 9/19/07 Date K3 RF Board 1 of 4 Sht. (60/20 or 40/30 m) K2 C274 (17/10 m or 15/12 m) K4 12B Appendix B .01 (20/30 m) K5 C189 .01 (15/17 m) K6 12B C239 .047 7R 7T K7 C240 1 .047 C231 RFC49 10 12A W. Burdick Elecraft LD_BPF .01 10 BPF Relays .01 10 BPF Relays KIO3 C99 .047 12B 12U /PWR_ON C164 LD_IO C191 MISO3 C190 TXD C90 AUXBUS RXD BYP 5A TPIC6C595D U5 /Q5 /Q4 RCK /Q2 /Q3 /CLR 8 7 6 /Q1 /Q0 /Q2 /Q7 RCK /Q6 /Q5 /Q4 /Q3 /CLR SOUT SRCK SIN /G GND U8 9 10 14 5 3 4 15 16 9 10 11 12 13 14 15 16 VCC /G /Q6 SOUT /Q7 /Q0 /Q1 GND SRCK VCC 7T 7R 100 RFC45 W20 SIN 11 12 13 2 1 8 7 6 5 4 3 2 1 64-05 D25 51 R48 BYP W2 RXA 9 10 11 12 13 14 15 16 W21 5A 8 MOSI3 150 R57 100 RFC30 LD_XV SCK3 MOSI3 BPF_RF (Sh. 1) W1 XV MISO3 7T 7 7R 6 12B 5 1 2 3 4 5 4 2 4007 D31 5600 C259 3 C33 1 µF 100 R50 4 /RSCL MISO3 /FSCL SCK3 .01 6 7 P71B 5 8 5.6 RFC32 Z2 LPA RFC46 100 MOSIPA 1 P71A 0.1 C67 R49 470 0.1 C70 2200 D26 100 W PA In VFWD2 C261 C219 .01 SCK3 3 C284 C192 2 C166 100 C51 LD_LPF 3 1 5 C72 2 Relays LPF 5 .01 P71C 4 @ 0.5 MHz K18 K17 K16 K15 K13 K14 K11 1 K12 W19 1 Q7 ZVN3320 3 C260 RX: -20 dB T-R Switch 0.1 100 0.1 C63 R58 220 7R 50 R51 RFC33 2200 100 D27 .047 12A .01 C227 (6m OUTPUT) (6m INPUT) (6/10/12 m) (40/60 m) (15/17 m) (20/30 m) (160 m) (80 m) W3 100W 11,6 13,4 9,8 5 6 7 C145 C114 C115 L25 4 13 K13A 11 9 13 K15A K14A 6 8 11 9 4 C151 C85 C95 L19 L21 C127 11,6 C137 K17 9,8 13,4 11,6 13,4 9,8 15/17 m C101 C170 C176 C113 C105 L23 L30 C103 20/30 m C65 6 4 8 8 8 K13B K14B 11 13 9 C110 6 4 K15B C175 11 13 9 6 4 K11B K12B C80 C104 L24 C217 L31 C169 C102 C100 L17 C98 C77 40/60 m C64 K16 C171 .01 C269 12PA P67B 100 W PA Out Reset = 160-15m; Set = 12-6m 80 m C168 C159 L27 C97 L32 C235 C121 160 m C167 L22 C158 L28 C96 C88 L20 L14 C87 C216 C73 C83 K12A 13 K11A C150 6 8 11 9 6m C268 1.0 10/12 m L26 C162 C234 L29 0.1 9 11 13 15 17 19 21 23 25 8 10 12 14 16 18 20 22 24 26 Low-Pass Filters K18 PA BYP C264 .015 C241 10W 3 1 9 11 13 15 17 19 7 4 RFC31 .01 16 9 10 MA4P SCK3 C94 7T 1 C282 C112 MISO3 C279 C109 12B MOSIPA LD_LPF 7R 2 C281 VIPA VTPA 8 10 12 14 16 18 20 C283 V12SPA FCT 6 C280 C266 4 2.0 L34 0.1 C230 R38 22K R54 10K R46 22K R55 10K VFWD U16 LM358 10K R52 VREFL W. Burdick A4 Rev. 9/19/07 Date K3 RF Board 2 of 4 Sht. MISO3 LD_ATU MOSI3 Appendix B SCK3 P70 ATU /RSCL C52 .01 8A HSMS2820 D37 D R35 51 B B D R44 51 T4 T3 D36 C A A C SWR Bridge 12A Elecraft By P72 ATU (not used) C53 .01 /FSCL 10K R53 VFWD2 8.2 pF C276 * * R34 2.2K 12A E1 Ground 6 4 2 7 2 P67A - 5 RF Acc. + 3 J66 1 9 11 13 15 17 19 5 4 7 6 C76 8 C161 + C277 - C278 2 8 10 12 14 16 18 20 3 C91 2 1 C267 1 2 4 P35 3 10K R98 5 5A IO IO IO IO IO IO IO TDO IO IO IO GND TDI TMS TCK VCC GND GND GND VCC VCC VCC VSS VEE INH CH5 CH7 COM CH6 CH4 10K 1 AUXBUS 21 31 5 14 25 11 33 13 10 12 32 26 7 1 24 36 16 4 29 41 9 17 8 7 6 5 4 3 2 1 VPLL1 9 11 13 15 17 19 R99 LD_BPF_S /CSDDS1 /CSDDS2 LD_IF_S LD_ATU LD_LPF LD_IF MOSI3 XVTRON DIG0 SCK2 R91 100 5A R11 2.7K MISO3 1 C60 .047 7 .01 5 C248 .047 CPLD Pgm P79 100 X NB1LVL 3 C246 1 C62 C247 .047 RFC5 5A VTPA VIPA V12SPA VRFADC VI_LO 470 R2 J73 Synth 1 8 10 6 4 2 9 7 5 5A 8A 12A 3 Front 2 U6 4 IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO 9 5 6 22 6 30 8 28 18 15 3 19 20 27 23 2 44 43 42 40 39 38 37 35 34 10 11 12 13 14 15 16 7 8 3 1 C66 .01 R88 470 C54 .01 R87 470 ADR0 MOSI ADR3 ADR2 ADR1 MISO2 CPLD U7 ATF1502 5A R12 2.7K SCK3 ALT (TBD) /CSPLL2 /CSPLL1 MOSI2 LD_SYN2 LD_SYN1 SCK3 100HZ LD_XV LD_IO LD_BPF U11 INB GND INA 4 3 2 1 5 6 ALC BT1 - 3 V Batt. 5 6 7 P30 DIG0 7 P50 R14 Q2 Q3 NC Q4 NC C58 11 12 13 14 15 16 17 18 19 20 470µF 10µH RFC47 12A 12U Q1 Q5 DIN GND LOAD VBB SCK /OE DOUT Q6 VDD Q10 Q7 Q9 A6810 Q8 12D 10 9 8 7 6 5 4 3 2 1 U10 DSP A.F. I/O .047 9 11 13 15 17 19 8 10 12 14 16 18 20 100 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 /PWR_ON OUTB V+ OUTA 8 7R 8A 7T 5A LD_IF SCK3 BW1 BW3 BW2 PRE_ON PRE_OFF NC TC4427 NC 5T 4 3 2 1 VREFL VFWD 5R VPLL2 9 11 13 15 17 19 7 5A 5 12A 8 10 12 14 16 18 20 LD_SYN2 /CSPLL2 6 /SPI_23_EN MISO SCK 4 2 /CSRFMUX TXMIXFIL VPLL1 5D VPLL2 J74 Synth 2 4051 IO IO IO C B A CH3 CH0 CH1 CH2 VDD Panel /PTT_IN /DOT 3 LD_SYN1 /CSPLL1 SCK2 MISO2 MOSI2 /DASH /KEY_IN 1 /CSDDS1 8 10 12 14 16 18 20 RXD TXD 6 /CSRFMUX 4 ADR0 BK_PH_R LINEOUT_L BK_MICAF+ BK_PH_L 2 ADR1 ADR2 LINE_IN+ LINEOUT_R BK_MICAFLINE_IN- VCO1 ADR3 MOSI MOSI3 R36 R82 P51 DSP I.F. I/O 4 OUT GND U12 C270 .01 R13 1K ZXTC1010 U1 C225 .047 C265 0.1 MC7805ACT IN VI_LO 7 5 9 11 13 15 17 19 8 10 12 14 16 18 20 HAGC2 6 R78 R80 0.05 Ω .047 3 4 + C57 470µF 5A C272 .047 1N4007 D34 C224 .047 OUT GND U13 C271 .01 MC7808ACT IN D Q2 FDS6375 S + C69 Q11 1 2 3 C42 F1 6A BC807 By R5 1.8K C31 .047 A4 Rev. + - 3 of 4 Sht. J11 12V Out 9/19/07 Date J10 7T TXIF- TXIF+ 12V In W34 12PA RFC6 C220 .047 8 C222 0.1 7 K3 RF Board W. Burdick Elecraft 6 RFC23 100 5 F2 0.6A 4 Appendix B D35 1N4007 RFC48 10µH J75 5A RX2_IFRX2_IF+ VIFGAIN2 LD_IF_S HAGC2 LD_BPF_S SCK3 MOSI3 MISO3 12A Ref./2nd LO/2nd TX .047 D28 BZW50-15 SB530 D6 C35A RFC44 100 (not used) .047 R27 10K R76 2.7K C56 220µF J64B Sub Rcvr C35 10 µF 8A 2.7K R77 C226 .047 5A 100HZ 12A 100 RFC43 TXMIXFIL 1µH 1K R100 C45 10µF OUT IN GND 78L09 U17 RFC40 FL4 FL5 FL3 9V FL1 FL2 R78-R82 = 100 MOSINB R81 R79 5 1 2 VFWD 8A SCK MISO TXIF+ RX2_IF+ VIFGAIN1 /CSDDS2 FCT C254 C252 LOAD NC 1 SPKR_L SPKR_R BK_PH_SW + C255 C253 IOUT VIN MOSI2 /SPI_23_EN GND 2 TXIF- 12D RX1_IFRX1_IF+ 100HZ 3 SCK2 MISO2 VRFADC 1 X G 1 2 3 4 5 6 7 8 12 11 10 9 RX2_IFVIFGAIN2 VREFL 5D HAGC1 + 2 + 2 R23 560 3 2 P46C C41 .047 D11 D13 D15 D18 4 C7 2 P49A RFC12 FL2 C6 RFC13 P49B RFC15 P48B 100 RFC17 D9 FL1 FL2 FL3 FL4 C4 D12 C8 D14 C10 D16 C12 22 C28 22 C29 22 C36 22 C22 7T 100 RFC38 470 R69 C27 22 .047 C194 FL5 D19 C14 D20 C106 100 C243 .047 RFC9 100 R70 470 C4-C14 = .047 µF Crystal Filters 100 R17 FL1 RFC20 P47B R18 100 P48A RFC14 FL3 R19 P47A R21 100 FL4 P46B R20 100 P45B D5 RFC21 R37 100 W16 FL5 1 P45A P46A RFC16 C5 3 P47C RFC19 4 RFC18 C9 C11 C13 1 R43 68 RFC12-RFC21 = 100 µH C23 15 15 C24 15 C25 15 C26 15 C21 1 (Not on rev. XA PCB.) L38 2.8 100 RFC50 150 C285 W18 D17 7R .047 C221 100 R45 K10 R16 620 2.8 C30 .047 C40 R7 1.8K C232 .047 .047 1K R15 XF2 Q4 C210 .01 C15 .047 4 2 D21 D1 D33 R25 51 64-04 6T T6 .047 C228 .047 C34 7T-2 .01 C38 100 .047 C47 J309 Q1 S T5 16:5 C43 .047 3 4 G D 2 1 100 C244 .047 8.215 MHz J65 T X I F 1 (W7) 7R 7T 8A 5 4 C48 R75 6.2Ω - + 1K 7 U3B BAV99 - + 6 5 C238 0.1 Appendix B 2 3 M2 M1 C214 1 C212 1.0µF 2 6 C200 0.01 R33 1K D32 C199 0.01 R40 1K VIFGAIN1 HAGC Det. 5 6 5 + 8 C68 .047 R39 100 1 7 U15B D30 C197 .01 BAV99 W. Burdick A4 Rev. 9/19/07 Date 12A (W14) P86 I.F. Out 1 2 C59 .047 12B 4 of 4 Sht. C213 51 RX1_IF+ 51 C215 RX1_IF- D29 C196 .01 R41 100K - + 9 10 11 12 U15A LM833 4 R9 220 8 R42 100K - 7 C262 .01 6 K3 RF Board 2 3 C198 220µF 4 2.7K 2 S J309 Q10 D RFC22 100 7R 4 7T J77 Noise Blanker 100 C273 .047 RFC7 3 RP1 G R P 1 2.7K 3 1 R85 511K 1 1.0µF 2nd RX Mixer R101 D38 C20 .01 TP1 7 4 5 0.1 C201 R8 1K R89 4.7K C55 .01 W22 1 300 By R86 4.7M 4 8 6 V+ 8 .047 C250 100 R10 0.1 C203 1K R73 D2 R3 Elecraft 1 5A 3 2 V- 1 8.230 MHz 1.0µF C249 27 L37 U9 SA612 8A 8.2Ω R56 NE46134 Q9 C204 .047 RFC39 47 µH C16 .047 .047 7R-2 7T-2 U3A J81 RXLO2 (W6) C18 1 X2 TLV2462 10 C49 X1 BW = 14 kHz 8.2Ω R68 Q8 C211 .047 Post-amp R60 150 620 R64 C237 .047 R66 15 300 C256 R84 100 .047 C37 100 R83 HAGC1 18 L36 27 5 .047 C229 560 R63 W17 12A RFC29 100 µH C202 .047 (not used) 1 RP1 2.7K PRE_OFF PRE_ON 3 Z1 C208 .047 RFC35 100 .047 2 0V = MAX GAIN, 3V = MIN 22 R30 RFC10 .01 C19 R26 100 RFC8 100 1 C195 I.F. Amp C233 .047 470 R1 64-05 D3 C44 .047 RFC24 100 .047 C258 RFC41 100 R67 15 3 1 RFC27 64-04 D22 1K R29 .047 C39 8A +11 dB Preamp C209 0.1 R74 18 NE46134 R59 220 RFC25 100 7R-2 C46 RFC11 100 C245 .047 1K R61 100 120 L39 100 RFC42 .047 R62 470 C32 R65 .047 18 C193 C205 100 7R-2 D10 D4 12A R6 + C17 .047 4 D7 100 RFC34 -10 dB FL5/4/3 BW Control .047 C242 68 C206 C207 68 Attn. R24 18 12A P45C 3 BW3 9 8 7 2 3 4 D8 64-04 NB1LVL BPF_IF BW1 8A VCO1 BW2 MOSINB RFC37 MISO3 LD_IF R22 620 SCK3 C:\Projects\K3\Schematics\KR MixerRevXC.sch - Sheet1 500 Ω 500 Ω 500 Ω 500 Ω 8.215 MHz 8.215 MHz 8.215 MHz 8.215 MHz CA C2 C3 X1 C4 X2 Module C5 X3 Module FL1 ALT Filter C6 X4 4a 3a 4 3 X5 C7 CB .01 CD L2 C8 J2 To RF Board, P45B-P49B 6000 Hz 3000 Hz 3000 Hz 2700 Hz 1000 Hz 250 Hz 500 Hz 200 Hz BW @ -6 dB 0 pF 0 pF 0 pF 0 pF 63 pF 150 pF 120 pF 120 pF C1,C8 62 pF 51 pF 62 pF 110 pF 180 pF 750 pF 470 pF 2700 pF C2 47 pF 51 pF 47 pF 47 pF 240 pF 750 pF 390 pF 620 pF C3 C5 62 pF 51 pF 62 pF 68 pF 180 pF 750 pF 470 pF 47 pF 51 pF 47 pF 68 pF 240 pF 750 pF 390 pF 1000 pF 1000 pF C4 X1-X5 must be matched to within +/- 10 Hz. short 62 pF 10 pF 16 µH short short short 3.9 µH Crystal p/n, Inductor Windings, Notes C 7/20/07 Date 1 of 1 Sht. Rev. E. Swartz KFL3A Filter Board Elecraft B y W. Burdick X1, X3, X5 = E660027; X2, X4 = E660032 E660032 (4-crystal filter w/1dB ripple; X5 = short) E660032 (4-crystal filter w/0.5 dB ripple; X5 = short) E660032 E660027 E660027 E660027; L1, L2 = 24 T #28 on T30-2 E660027 L1, L2 2.3 µH 2.8 µH 2.8 µH CA,CB 0 pF 0 pF 0 pF 0 pF 0 pF 0 pF 0 pF C7 51 pF 62 pF 68 pF 240 pF short short 51 pF 180 pF 750 pF 750 pF 470 pF 390 pF 620 pF 2700 pF C6 3. X1-X5 can be either 2- or 3-lead HC49/U types. Grounding pads are provided for both. 2. CC and CD are used with a filter module (FL1). All other components are only used for constructing a discrete filter. Install filter module at FL1 or FL1 ALT as required. E660027: 8.214 MHz +/- 200 Hz; Lm = 25 mH +/- 2 mH, Co < 4 pF, Q > 100 K E660032: 8.2125 MHz +/- 200 Hz; Lm = 25 mH +/- 2 mH, Co < 4 pF, Q > 100 K 500 Ω 8.215 MHz * 500 Ω 500 Ω 500 Ω 8.215 MHz Zin/out 8.215 MHz 8.215 MHz Fc C1 L1 2a 1a Filter FL1 1 2 1. This PCB can be used to assemble a discrete 5-pole crystal filter, or as a carrier for filter modules (INRAD, etc.). NOTES: To RF Board, P45A-P49A J1 .01 CC 2 1 1 2 A B C D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 MT1 1 10 8 3 1 7 9 4 2 MT2 DPDT K1 +8T TXD +12SW RXD +12UNSW AUXBIUS /PWR_ON LD_IO +8R /PTT_IN MOSI_3 MISO_3 DIG0 DIG1 /KEY_IN ALC BK_PH_SW BK_PH_R BK_PH_L LINEOUT_L LINEOUT_R BK_MIC_AF+ BK_MIC_AFLINE_IN+ LINE_IN- SPKR_R SPKR_L 5 Mounting Holes for KIO3 Faceplate 1 /RSPKEN +12SW RF Board P76 +12SW 1 2 GND A B TP1 +12SW +8R VCC5 R18 4 C16 0.1 uF C27 0.1 uF LD_IO C28 100 pF 100R R23 VCC5 LD_IO MOSI_3 4 10K 2 1 16 1 2 15 7 10 8 16 1 2 15 7 10 8 SDO Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 SDO Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 TAB OUT 4 9 3 4 5 6 11 12 13 14 9 3 4 5 6 11 12 13 14 VCC5 C8 10 uF/25V 1 MICBIAS DCTRL0 DCTRL1 DCTRL2 DCTRL3 /RSPKEN MMBT3904 Q8 2 3 UA78M08CDC GND +VIN U3 10K R16 1 3 TPIC6C595D GND VCC SDI SCK SCLR RCK OE U5 TPIC6C595D GND VCC SDI SCK SCLR RCK OE U6 1 5 + 2 10K 3 C15 0.1 uF 3 VCC8A MMBT3904 Q7 3 RP2 2 3 4 5 6 7 8 9 10 C22 0.1 uF +12SW 2 1 nKEYOUT Q6 2 Q4 2 Q5 2 Q3 2 1 TAB 4 3 UA78M05CDC GND OUT MMBT3904 3 1 MMBT3904 3 1 MMBT3904 3 1 MMBT3904 3 +VIN U2 DIGOUT0 DIGOUT1 BAND0 BAND1 BAND2 BAND3 RP1D 5 RP1B 7 R12 RP1C 6 RP1A 8 R8 C11 10 uF/25V 100K 4 100K 2 1K 100K 3 100K 1 1K + VCC5 2 C14 0.1 uF /KEY_IN DTRA RTSA /PTT_IN 2 Date: Size B Title SPKR_RSW SPKR_L BK_PH_L BK_PH_R LINEOUT_R LINEOUT_L BK_MIC_AFBK_MIC_AF+ LINE_INLINE_IN+ ALC DIG1 DIG0 RXD TXD AUXBUS /PWR_ON Monday, October 08, 2007 Document Number 2005042501 KIO3 Main BK_PH_SW MICBIAS Sheet 3 nKEYOUT DTRA RTSA /PTT_IN DIGOUT0 DIGOUT1 BAND0 BAND1 BAND2 BAND3 Sheet 2 1 Sheet 1 1 of 3 Rev A.1 A B C D A B C BAND0 BAND3 BAND2 nKEYOUT /PWR_ON ALC /PTT_IN BAND1 AUXBUS DIG0 DIG1 DIGOUT0 DIGOUT1 VCC5 5 14 12 10 BAND0 BAND3 BAND2 nKEYOUT /PWR_ON ALC /PTT_IN BAND1 AUXBUS DIG0 DIG1 DIGOUT0 DIGOUT1 C1 0.1 uF 9 16 15 13 11 V- V+ R1in R2in R3in T1out T2out T3out 4 C2 0.1 uF 8 1 2 4 6 3 5 7 1000 pF C13 LT1039ACN GND VCC R1out R2out R3out T1in T2in T3in RTSA DTRA C10 33 uF/16V +12SW 2 1 RTSA DTRA BAT54S D1 3 CN4 1000 pF CN1 1000 pF CN2 1000 pF 3 CN3 1000 pF 8 1 TXD 7 2 TXD 6 3 U1 C5 1 uF/16V 1K R2 5 4 1000 pF 8 1 1000 pF 1 7 2 C4 + 6 3 C12 C9 100 uF/16V 5 4 D 2N7002K 8 1 100 uH Q2 7 2 L1 3 6 3 RXD +12SW 8 1 2 R1 7 2 3 6 3 5 4 4 5 4 RXD 5 + 1K Date: Size A Title 2 3 10K R3 R4 2 1 VCC5 DTR_X TXD_X RTS_X RXD_X 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 27K 0.01 uF X7R C7 2 1 of D-Sub IO Board 3 RS232 COM RS232 DTR RS232 TXD RS232 RTS RS232 RXD ACC COM ACC BND0 ACC BND3 ACC BND2 ACC KEY ACC PWR ACC ALC ACC PTT ACC BND1 ACC AUX ACC DI0 ACC DI1 ACC DO0 ACC DO1 +5V C6 0.022 uF X7R 2.7K R5 J90 R7 Sheet 27K 0.01 uF X7R C3 Approximately 1 kHz Monday, October 08, 2007 Document Number 2005042501 KIO3 Main - Sheet 2 10R R6 MMBT3904 1 Q1 2 Rev A.1 A B C D A B C D BK_MIC_AF- BK_MIC_AF+ MICBIAS LINE_IN- LINE_IN+ LINEOUT_L LINEOUT_R 5 1 1 10K RP3A - + C26 C24 1000 pF 604R 8 470 pF 2 3 U4A LM833D VCC8A 10K R21 BK_MIC_AF- BK_MIC_AF+ MICBIAS LINE_IN- LINE_IN+ LINEOUT_L R19 604R R20 2 7 LINEOUT_R C21 4 470 pF 6 5 U4B LM833D VCC8A 10K - 4 6 4 6 4 C17 10 uF/25V 10K + 4 6 5.6K R17 7 R14 MMBT3906 Q9 T1 TTC-108 TTC-108 T3 T2 TTC-108 C25 1000 pF 3 1 3 1 3 1 R22 1 10K RP3B VCC8A C20 1000 pF C23 1000 pF 2 3 5 8 4 8 4 + 10K R15 62R R24 C18 1000 pF R13 604R C19 1 uF VCC8A 10K RP3D 10K RP3C BK_PH_R BK_PH_L 3 3 BK_PH_SW This resistor sets gain of mic preamp. LINEJACK_L LINEJACK_COM 3 6 5 4 7 8 2 1 8 7 2 1 6 3 1000 pF 5 6 3 CN5 4 0.1 uF 5 CN6 4 BK_PH_SW BK_PH_R BK_PH_L 1 2 P25 2.7R R11 2 SPKR_L SPKR_RSW 2.7R R9 INT SPKR SPKR_L SPKR_RSW 2.7R R10 2 Date: Size B Title Monday, October 08, 2007 Document Number 2005042501 KIO3 Main - Sheet 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SP L SP L S SP C SP R PH SW1 PH R PH SW2 PH L PH C MIC C MIC A LIN C LIN L LOUT C LOUT R LOUT L 1 Sheet Audio IO Board J91 1 3 of 3 Rev A.1 A B C D A B 5 RS232 COM RS232 DTR RS232 TXD RS232 RTS RS232 RXD ACC COM ACC BND0 ACC BND3 ACC BND2 ACC KEY ACC PWR ACC ALC ACC PTT ACC BND1 ACC AUX ACC DI0 ACC DI1 ACC DO0 ACC DO1 KIO3 P90 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 R1 RP3 RP2 L4 RP4 1 2 3 4 1 2 3 4 1 2 3 4 1000 pF C1 4 Frame Ground 100 uH 8 220R 7 6 5 8 220R 7 6 5 8 220R 7 6 5 220R 220R 5 6 7 8 L1 L2 1000 pF CN1 SER_C 100 uH CN3 1000 pF CN4 1000 pF 3 Frame Ground 1000 pF CN5 AUX_X PWR_X BND0_X BND1_X BND2_X BND3_X PTT_X KEY_X ALC_X DIGO_X DIGO1_X DIG0_X DIG1_X 16 17 6 11 1 7 12 2 8 13 3 9 14 4 10 15 5 Frame Ground Frame Ground 100 uH RXD_X RTS_X TXD_X DTR_X 8 1 100 uH 7 2 L3 8 1 RP1 4 3 2 1 3 7 2 C 4 6 3 6 3 D 5 5 4 4 8 1 3 7 2 5 6 3 2 5 4 6 8 1 1 7 2 7 6 3 8 5 4 5 4 ACC J23 1000 pF CN2 1 6 2 7 3 8 4 9 5 11 10 2 2 RS232 J24 Date: Size B Title KIO3 - D Sub RS232 IO Board Wednesday, February 14, 2007 Document Number 2005042501 1 Sheet 1 1 of 1 Rev XC1 A B C D A 5 8 1 MH2 Grounding Tab 1 Frame Ground MH1 Grounding Tab 4 3 0.1 uF 7 2 CN4 6 3 0.1 uF 5 4 1000 pF CN3 8 1 1000 pF CN2 7 2 CN1 6 3 2.7R R2 2.7R R1 5 4 BEAD BEAD BEAD BEAD 100 uH 100 uH 100 uH 100 uH 100 uH 100 uH 100 uH 100 uH 100 uH 100 uH 100 uH 100 uH 8 1 1 L13 L14 L15 L16 L12 L11 L10 L9 L8 L7 L6 L5 L4 L3 L2 L1 7 2 B KIO3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 6 3 C SP L SP L S SP L C SP R PH SW1 PH R PH SW2 PH L PH C MIC C MIC A LIN C LIN L LINE C LOUT R LOUT L 5 4 P91 8 1 D 3 7 2 4 6 3 5 5 4 Date: Size A Title 6 1 3 4 5 7 8 2 Wednesday, February 14, 2007 Document Number 2005042501 KIO3 - Audio IO Board SPK_LS SPK_L SPK_LC SPK_R PH_L PH_C PH_SW1 PH_SW2 PH_R MIC_A MIC_C LIN_LX LIN_CX LINEJACK_L LINEJACK_COM LINEJACK_R 2 4 5 1 2 4 5 1 2 4 5 1 2 4 5 1 2 Sheet 1 1 1 of 1 SPEAKERS J18 PHONES J19 MIC J20 LINE IN J21 LINE OUT J22 Rev XC2 A B C D NOTES: (ANT1) To J7 3. 2. 1. SA1 J69A C1 39 1 J72 C3 39 RF Board C5 2-15 pF = mounted on bottom side of PCB. Adjust L2 and C5 for minimum 8.215-MHz leakthrough. 2 LPF C2 4.7 C4 3900 19 17 15 13 11 9 7 20 18 16 14 12 10 8 5 6 3 4 1 2 R. Friess B y W. Burdick XB5 Rev. 1/21/07 Date 1 of 1 Sht. Elecraft KANT3 Ant. Input Module J70 8.2 MHz Trap C6 22 pF L3 13.0 µH 96 nH 136 nH 6-m All parts are through-hole. R1 560K L2 L1 J3 Ext. Ref. C11 0.1 L1 27 C28 0.1 C5 0.1 R7 1.2K C27 0.1 8 5V Ext. Sync. Module J4 100 HZ 27 L2 C7 0.1 2 4 1 NC X1 C14 33 OUT 49.380 7 GND 5V 27 L5 C2 100 C3 0.1 8 R12 150 R10 150 X2 3 R13 330 R11 330 /RST Vdd Vss 2 1 X4 CUT J4-6 to U2-9 J2 Main Ref. 5 7 C18 39 K1 6 J1 Sub Ref. R15 330 R14 330 C19 0.1 C16 33 U1 MCP809T-450 C15 39 X3 Fc = 8215.0 kHz, BW=4 kHz Fxtal = 8212.5 kHz 14 5V C13 39 Z1 11 VC R4 330 MX C6 0.1 R6 1K VCTRL 2N3904 Q2 2V 3 R8 1.5K 0.1 U2 8 GND 3Q 3Q 4Q 4Q 2Q 2Q 1Q 1Q 74VHC175 3D 4D 2D 1D 11 10 14 15 6 7 3 2 Divide by 6 12 13 5 4 C10 0.1 R9 1.2K XF R5 330 R18 750 16 Vcc 1 CLR 9 CLK R17 330 2 4 C21 1K R2 R3 15 2N3904 Q3 R16 68 J7 C8 0.1 C12 0.1 C22 0.1 IN R1 330 3 2 1 6 C1 0.1 C4 0.1 5 4 7T L4 27 By W. Burdick 0.1 XD Rev. L6 27 P75 0.1 C26 RF Board 3/3/07 Date 1 of 1 Sht. REF/2ND TX IF J5 Sub RXLO2 J6 Main RXLO2 TXIF2 (15 KHZ) C20 0.1 C23 Elecraft KREF3 V- V+ 8 7 D1 1N914 TX MIX OUT TXIF1 8.215 MHz K1 8 U3 SA612 TX Mixer C24 0.1 1 7T 5V TXMIXFIL 100 HZ 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 5V 0.1 C38 MOSI2B SCK2B 4 8 3V MOSI2B /CSDDSB 0.1 Q4 9 10 11 12 13 14 15 16 LF 0.01 C16 15K R41 CE DT FS C41 8 7 6 5 4 3 2 1 8 9 10 11 12 13 C20 R33 15K VP R14 10K XB 120 10K R12 - + U5B 1Y 4A 74LCX125 U7 2Y GND 3A 3Y 2A /3OE /2OE 1A /4OE N/C OUT /1OE 4 5 VCC 4Y 51 R20 1 7 6 5 4 3 2 1 EN GND IN 3 2 1 U6 ZXCL300E5 39 µH L8 1K R16 C50 2 3 .022 LPF 14 10 µF MISO2 L7 27 µH C39 0.1 REF RFA AVDD CLK DGND RFB DATA AGND CPGND MUX LE CP RSET DVDD VP ADF4001 U3 PLL Fpll = ~22 kHz 8.2K R40 3V 7 2N7002 3V 0.1 C49 C62 2.2 uF 100K R38 OP284 + - U5A C12 5 3LF /CSPLLB .01 C36 1K R34 CP 6 .27 8B R35 6.8K C51 .01 C47 0.1 LPF C29 CK CSP 120 L3 27 µH MISO2 SCK2 SCK2 SCK2B MISO2 MOSI2 LD_SYN 10 µF C37 /CSPLLB C68 27 µH L4 /G /CLR RCK SOUT /Q2 /Q1 /Q3 /Q6 /Q0 /Q4 /Q7 SIN SRCK /Q5 VCC GND P73 0.1 C13 C18 0.1 C67 10 X4 .01 C57 C32 .01 Filter 9 7 8 5 6 27 µH L5 8A C66 12 X3 0.1 3 1 2 C60 0.1 4 K1 7 L1 5 4 X1 2 5 390 R26 3 1 U4 LMV321 + - 4 5 4 39µH 3 6 3 +13 DBM 12V C64 47 C70 12 2 7 5V C11 0.1 8B K3 2 30 C10 0.1 VCO Out VPLL J84 C69 10 µF SCK2B MOSI2B /CSDDSB DDS L 4 5 K2 Select 3 6 D10 D9 MMBV109 D B C9 75 R9 470 R23 0.1 C14 470 R24 +10 dB Amp AD9834 R21 12 AE 2N3904 Q3 0.1 12T, FT37-43 50 µH L6 U2 R22 6.8K Q1 Q5 C24 .01 .01 C59 C23 0.1 AB D6 0.1 C25 L9 By Q2 R30 330 R27 22 22 R39 8B A2 Rev. K3 7/25/07 Date 1 of 1 Sht. Synthesizer = On top side of PC board. 8.7-46 MHZ VCO C61 470 µF VCO ALC MMBD914 D5 C7 .01 S J310 R28 1.8K G D C27 0.1 R29 22 W. Burdick Elecraft C31 .01 J83 49.38 MHz C26 0.1 27 µH 3V DET 1N5711 R10 82K 8B 2.7K 8-46 MHz C21 0.1 J310 R31 S D DR VCO D8 1N4148 G 2N3904 GT C28 0.1 1 FS ADJ 2 VREF 3 COMP .01 C22 4 A Vdd 5 D Vdd 0.1 C19 6 CAP 7 DGND 8 MCLK 9 FSEL 10 PSEL DDS IOUTB 19 IOUT 18 AGND 17 Vin 16 SIGN 15 /FSYNC 14 SCLK 13 SDATA 12 SLEEP 11 RESET 20 200 R25 F E R32 100K C33 10 B,D=Grn A,C=Red C A C53 0.1 T1 (1.0 or 0.25 µH, Pri: 9t #26, bifilar; Sec: 3t #26) 2 7 VT Z = 200 200 R13 110 C6 C5 C4 .01 330 470 6 C45 68 C8 7.5 C1 15 C2 30 C3 R11 D1 D2 D3 D4 BAP64-04 R8 C48 C65 10 X2 R 5 1K R 6 1K R 7 1K R18 1K 8B -6 dB @ +/- 1.2 kHz Crystal 19 17 15 13 11 C30 120 C58 0.1 C54 C55 C56 5V 20 18 16 14 12 10 C15 0.1 C71 12 VCO 12V 12V C44 .01 8 7 13 5 4 3 2 1 MOSI2 U1 TPIC6C595N 9 10 14 12 6 11 15 16 R36 10K L2 39µH 47 C34 K3 XF 47 Z = 500 5V C35 22 2N3904 Q6 R17 100K C17 .01 VPLL LD LD_SYN 100 R15 K2 C52 8 1 K1 + A B C D 5 5 /PTT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 FP-DSP J31 MISCELLANEOUS MICBIAS VR1REAR VR1FRONT VR2REAR VR2FRONT VMICBTN MISCELLANEOUS SWITCHES ADR[2:0] VFPADCMUX VFADCTAP MISCENCMUX /ENC_EN RITENCA RITENCB SUBENCA SUBENCB MAINENCA MAINENCB SWITCHES /DSP1BUSY /DSP2BUSY VSMTR /CSDSP1 /CSDSP2 /CSDSPLOAD DSP1DATA DSP2DATA MOSI SCK MISO MUTE /PTT VR1REAR VR1FRONT VR2REAR VR2FRONT VMICBTN ADR[2:0] VFPADCMUX VFADCTAP MISCENCMUX /ENC_EN RITENCA RITENCB SUBENCA SUBENCB MAINENCA MAINENCB MICBIAS 4 4 MCU /DSP1BUSY /DSP2BUSY VSMTR /CSDSP1 /CSDSP2 /CSDSPLOAD DSP1DATA DSP2DATA MISO MUTE /PTT VR1REAR VR1FRONT VR2REAR VR2FRONT VMICBTN ADR[2:0] VFPADCMUX VFADCTAP MISCENCMUX /ENC_EN RITENCA RITENCB SUBENCA SUBENCB MAINENCA MAINENCB MCU 3 SCL SDA 3VBATT 12V_SW V12MON PWRHOLDON /PWRON 12V_UNSW VPWR_SW VLEDBRT VLCDBKLT MOSI SCK LOAD VCONTRAST LCDSCL LCDDI LCDCE LCDMODE 3 SCL SDA 3VBATT 12V_SW V12MON PWRHOLDON /PWRON 12V_UNSW VPWR_SW VLEDBRT VLCDBKLT MOSI SCK LOAD VCONTRAST LCDSCL LCDDI LCDCE LCDMODE MICBIAS Date: Size A Title 2 Sunday, June 24, 2007 Document Number 2004070601 Elecraft K3: Front Panel NOTES: PCB Revision A POWER SCL SDA 3VBATT 12V_SW V12MON POWERHOLDON /PWRON 12V_UNSW VPWR_SW POWER LEDS VLEDBRT VLCDBKLT MOSI SCK LOAD LEDS LCD VCONTRAST LCDSCL LCDDI LCDCE LCDMODE LCD 2 Sheet 1 1 1 of 7 Rev A0 A B C D A B C D VCONTRAST 5 1K00 R23 C38 LCDCE LCDMODE LCDSCL LCDDI 10 uF/25V + 1 3 1 3 5 BAT54 D15 BAT54 D14 10K0 R16 LCDCE LCDMODE LCDSCL LCDDI VCC5 LCDMODE LCDDI LCDSCL LCDCE + VCC5 10 uF/25V C32 VCC5 L C41 0.1 uF 1K R13 100K OLED R20 1 2 3 4 5 6 J36 4 4 91 81 94 93 82 77 90 88 89 84 85 86 83 87 79 78 92 70 71 72 73 74 64 65 66 67 68 69 NJU6436 VSS VDD BIAS VLCD INH REMIN RESET REQ1 REQ2 SCL DI DO CE MODE OSC2 OSC1 LED K0 K1 K2 K3 K4 S0 S1 S2 S3 S4 S5 U2 COM1 COM2 COM3 COM4 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37 SEG38 SEG39 SEG40 SEG41 SEG42 SEG43 SEG44 SEG45 SEG46 SEG47 SEG48 SEG49 SEG50 SEG51 SEG52 SEG53 SEG54 SEG55 SEG56 SEG57 SEG58 SEG59 SEG60 100 99 98 97 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 COM1 COM2 COM3 COM4 SEG60 SEG59 SEG58 SEG57 SEG56 SEG55 SEG54 SEG53 SEG52 SEG51 SEG50 SEG49 SEG48 SEG47 SEG46 SEG45 SEG44 SEG43 SEG42 SEG41 SEG40 SEG39 SEG38 SEG37 SEG36 SEG35 SEG34 SEG33 SEG32 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 3 COM[1..4] SEG[1..60] 3 COM1 COM2 COM3 COM4 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37 SEG38 SEG39 SEG40 SEG41 SEG42 SEG43 SEG44 SEG45 SEG46 SEG47 SEG48 SEG49 SEG50 SEG51 SEG52 SEG53 SEG54 SEG55 SEG56 SEG57 SEG58 SEG59 SEG60 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 K3 Custom LCD COM4 COM3 COM2 COM1 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37 SEG38 SEG39 SEG40 SEG41 SEG42 SEG43 SEG44 SEG45 SEG46 SEG47 SEG48 SEG49 SEG50 SEG51 SEG52 SEG53 SEG54 SEG55 SEG56 SEG57 SEG58 SEG59 SEG60 DS1 2 2 Date: Size B Title Sunday, June 24, 2007 Document Number 2004070601 Elecraft K3: Front Panel - LCD 1 Sheet NOTES: R57 sets LCD drive frequency. R54 sets LCD driver current. 2 of 7 U2 K[0..4] to use separable vias to ground for debug/ development. LCD pinout is Rev F. PCB Revision A 1 Rev A0 A B C D A B C D MOSI SCK 5 VLCDBKLT LOAD VLEDBRT 5 VLCDBKLT R31 C63 0.1 uF VCC5 LOAD VLEDBRT MOSI SCK 1K00 1 16 1 2 15 7 10 8 SDO GND R3 12R LCD BACKLIGHT Z8 9 3 4 5 6 11 12 13 14 4 Q4 FMMT614TA VCC8 TPIC6C595D VCC Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 4 SDI SCK SCLR RCK OE U14 2 1 3 2 120R 120R R63 R64 120R 120R 120R R32 R33 R35 120R 120R R36 R34 120R R37 1 1 1 1 1 1 1 1 2 2 2 16 SDO TPIC6C595D GND VCC Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 9 3 4 5 6 11 12 13 14 2 MICBIAS R54 R67 R62 120R 120R MICBIAS 120R 1 1 1 2 D12 2 COM OUT (GRN) D10 1 3 COM IN (GRN) Date: Size B Title Sunday, June 24, 2007 Document Number 2004070601 Elecraft K3: Front Panel - LEDs NOTES: PCB Revision A PWR (GRN) 2 D11 2 OFS + (YEL) 2 D9 120R 1 SPEED (GRN) R61 120R D13 R53 D8 2 OFS CLR (GRN) WIDTH (GRN) 2 D7 C62 0.1 uF 1 SDI SCK SCLR RCK OE U13 D6 VCC5 2 15 7 10 8 OFS - (YEL) 2 2 2 VCC5 2 HI (GRN) D5 LO (GRN) D4 SHIFT (GRN) D3 D-F (YEL) D2 TX (RED) D1 3 1 Sheet 1 3 of 7 Rev A0 A B C D A B C D 5 /CSFLASH SCK MOSI VCC5 MISO SUBENCB SUBENCA SCL SDA VCC5 V12MON VFADCTAP VR2FRONT VR2REAR VFPADCMUX VSMTR VCC5A VCC5 LOAD VMICBTN VR1REAR VR1FRONT VPWR_SW VLCDBKLT LCDSCL LCDCE MUTE /DSP1BUSY /DSP2BUSY DSP1DATA DSP2DATA VCONTRAST 5 7 12 13 9 10 5 4 2 1 14 11 8 6 3 GND 4A 4OE 3A 3OE 2A 2OE 1A 1OE VCC 4Y 3Y 2Y 1Y 14 11 8 6 3 7 12 13 9 10 5 4 2 1 SN74LVC125A GND 4A 4OE 3A 3OE 2A 2OE 1A 1OE U7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 C9 0.1 uF SN74HCT125A VCC 4Y 3Y 2Y 1Y U6 C6 0.1 uF VRFADCMUX FCOUNT SCL SDA TXD RXD SUBENCB SUBENCA V12MON VFADCTAP EXP_FP1 FPTMP LOAD VMICBTN VR1REAR VR1FRONT VPWR_SW /CSEEP R5 T5 VR2FRONT VR2REAR VFPADCMUX VSMTR LCDSCL LCDCE MUTE /DSP1BUSY /DSP2BUSY DSP1DATA DSP2DATA VCONTRAST MCLR VLCDBKLT 4 R4 C2 0.1 uF 4K70 R19 VCC3 VCC3 C4 0.1 uF VCC5 PIC18LF8722 4 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 R44 VCC3 VCC5 5 2 6 1 7 3 5 2 6 1 7 3 AT25256A M25P20 SI VCC SO SCK CS HOLD WP VSS U5 PWRHOLDON MISCENCMUX LCDDI LCDMODE 4 8 4 8 330R VCC3 VCC5 VCC5 R73 C35 0.1 uF C1 0.1 uF 1 120R MOSI MISO SCK VLEDBRT RITENCA RITENCB R5 R72 R71 R70 R69 /CSDSP1 /CSDSP2 /CSDSPLOAD MAINENCA MAINENCB ADR[2:0] SI VCC SO SCK CS HOLD WP VSS U8 C5 10 uF/25V 10K0 VCC5 VCC5 + VCC5A PGD MOSI MISO SCK VLEDBRT RITENCA RITENCB /KEYB ENC_EN /SPI23_EN PGC ADR1 ADR2 ADR3 /CSRFMUX /CSDSP1 /CSDSP2 /CSDSPLOAD MAINENCA MAINENCB AUXBUS_RAW /SR_EN VCC5 LCDDI LCDMODE NB1AGC DIG0 DIG1 /CSFLASH PWRHOLDON MISCENCMUX ADR0 C3 0.1 uF MOSI MISO SCK /CSEEP 100R RH2/A18 RH1/A17 RH3/A19 RH0/A16 RE1/WR/AD9 RE2/CS/AD10 RE0/RD/AD8 RE3/AD11 RG0/CCP3 RE4/AD12 RG1/TX2/CK2 RE5/AD13 RG2/RX2/DT2 RE6/AD14 RG3/CCP4 RE7/CCP2/AD15 MCLR RD0/PSP0/AD0 RG4/CCP5 VDD VSS VSS VDD RD1/PSP1/AD1 RF7/SS RD2/PSP2/AD2 RF6/AN11 RD3/PSP3/AD3 RF5/AN10/CVref RD4/PSP4/AD4 RF4/AN9 RD5/PSP5/AD5 RF3/AN8 RD6/PSP6/AD6 RF2/AN7/C!OUT RD7/PSP7/AD7 RH7/AN15 RJ0/ALE RH6/AN14 RJ1/OE RH5/AN13 RJ2/WRL RH4/AN12 RJ3/WRH RF1/AN6/C2OUT RB0/INT0 RF0/AN5 RB1/INT1 AVDD RB2/INT2 AVSS RB3/INT3/CCP2 RA3/AN3/VREF+ RB4/KBI0 RA2/AN2/VREFRB5/KBI1/PGM RA1/AN1 RB6/KBI2/PGC RA0/AN0 VSS VSS OSC2/CLK0/RA6 VDD OSC1/CLKI RA5/AN4/LVDIN VDD RA4/TOCKI RB7/KBI3/PGD RC1/T1OSI/CCP2 RC5/SDO RC0/T1OSO/T13CKI RC4/SDI/SDA RC6/TX1/CK1 RC3/SCK/SCL RC7/RX1/DT1 RC2/CCP1 RJ4/BA0 RJ7/UB RJ5/CE RJ6/LB U1 C10 470 pF 3 PGD PGC MCLR C91 470 pF AUXBUS VCC5 3 C7 15 pF /SR_EN BAT54 D16 1 C8 15 pF VO TXD LM20CIM7 GND GND NC V+ U15 C89 1000 pF 120R 120R 10K0 120R 120R ICD-2 R29 R28 C12 1000 pF 1 2 3 4 5 6 100K 100K 2 VCC5 C90 1000 pF FCOUNT /KEY /DASH /DOT /PTT SCK R6 R74 R75 R76 R77 MISO MOSI ADR3 ADR2 J3 47K0 ADR0 1000 pF C96 NB1AGC DIG0 DIG1 47K0 47K0 47K0 47K0 47K0 VCC5 1000 pF 1000 pF 1000 pF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Date: Size B Title Sunday, June 24, 2007 C18 C19 C83 1000 pF C70 TXD 1 of 1000 pF C88 TXDQ 4 1000 pF C13 RXD Sheet 1000 pF 1000 pF 0.01 uF 0.01 uF 0.01 uF 0.01 uF 0.01 uF 0.01 uF 0.01 uF 0.01 uF 0.01 uF C92 C93 C94 C21 C79 C20 C80 MO MI SC DIG1 DIG0 NB1AGC 12V_SW 3VBATT /PWRON 12V_UNSW VRFADCMUX C82 Elecraft K3: Front Panel - MCU Document Number 2004070601 1 MOSI MISO SCK /SPI23_EN T5 R5 RF BOARD J30 FP EXPAND 1 2 3 4 5 J35 NOTES: PCB Revision A C84 C17 C85 1000 pF 1000 pF C86 C16 1000 pF 1000 pF 1000 pF C15 C14 C87 12V_UNSW /PWRON 3VBATT 12V_SW /CSRFMUX ADR0 ADR1 ADR2 ADR3 MOSI SCK MISO /SPI23_EN R5 T5 VRFADCMUX FCOUNT AUXBUS /SR_EN /PTT /DOT /DASH /KEY RXD 100 uH TXDQ /CSRFMUX 12V_UNSW /PWRON 3VBATT 12V_SW L7 EXP_FP1 ADR1 C11 1000 pF FPTMP /ENC_EN /PTT 1 3 2 R83 VCC5 2N7002K Q5 /ENC_EN 2 5 4 /DSP2BUSY DSP2DATA C81 1000 pF R81 R80 R82 R56 R55 VCC5 /PTT /DOT /DASH /KEY 16 MHz Y2 2K20 2K20 2K20 2K20 ADR[2:0] 3 3 2 7 Rev A0 A B C D A B C D VCC5B 5 1 2 3 4 5 J32 4 1 4 1 R1 1K00 R48 DSP MIC AUDIO MICBIAS 5 R2 10K 10K 8 8 7 7 1K00 1K00 VR1REAR R88 VR1FRONT VR2FRONT REAR (INNER) LOWER POT VR2REAR FRONT (OUTER) UPPER POT 4 FRONT (OUTER) LOWER POT 5 2 6 3 1K00 R49 VMICBTN 0.01 uF C47 10K0 REAR (INNER) UPPER POT VCC5B 5 2 6 3 VCC5B VMICBTN R52 VCC5B R87 4 R51 9 9 0.01 uF C46 0.01 uF C43 0.01 uF C44 0.01 uF C45 1K00 R50 1 1 uF C97 3 VR2FRONT VR2REAR VR1FRONT VR1REAR /PTT 10K0 3 R89 5K60 C67 C95 100 uH 100 uH 100 uH 100 uH 100 uH 100 uH 100 uH MICGND STNDO2 STNDO3 STNDO5 STNDO6 STNDO8 STNDO4 STNDO1 STNDO7 PCB Revision A 2 Date: Size A Title C72 C74 C76 C78 C75 C71 2 Sunday, June 24, 2007 Document Number 2004070601 1 5 1 PHONES FIDCL2 FIDCL1 HOLE1 HOLE2 CNR1 CNR3 CNR4 CNR2 0.01 uF 0.01 uF 0.01 uF 0.01 uF 0.01 uF 0.01 uF MIC 1 2 3 4 5 6 7 8 J2 Sheet Elecraft K3: Front Panel - Miscellaneous NOTES: Controls are dual pots. TAIL5 TAIL1 TAIL2 TAIL3 TAIL4 TAIL6 TAIL7 TAIL8 TAIL9 TAIL10 TAIL11 TAIL12 TAIL13 TAIL14 0.01 uF 0.01 uF 0.01 uF 0.01 uF C64 C58 0.01 uF C65 L2 L9 L8 L6 L5 L3 L4 0.01 uF AF /PTT DN UP FUNC BIAS C66 MMBT3906 Q8 VCC5B 2 3 of 7 Rev A0 A B C D A B C 5 VPWR_SW POWERHOLDON 12V_UNSW /PWRON 3VBATT C73 470 uF/25V 12V_SW + + 0.1 uF C53 12R VPWR_SW POWER S18 R68 C59 470 uF/25V 12V_SW 10K0 R25 30K0 R26 2 1 2 1 TAB OUT 4 3 TAB OUT C42 0.1 uF 10K0 R24 C40 0.1 uF 1 UA78M05 GND +VIN U10 4 3 LM2937IMP-8.0 GND +VIN U9 3 2 D 4 1 2N7002K Q3 3 2 4 + 1 2 1 2 TP1 GND 2 GND VCC5 1 1 3 TP2 R84 2 1 2N7002K Q6 C52 1000 uF/10V C57 10 uF/25V VCC5 2N7002K Q2 C55 0.1 uF C51 0.1 uF + VCC8 3 2 5 Bypass OUT 100R 3 LP2985-3.3 GND VIN Enable U4 BAT54C D17 4 5 R43 3 10K0 R38 VCC5CLK 30K0 VCC3 + C37 10 uF 10v ECJ 4 C48 10 uF/25V VCC5B C77 0.1 uF 3 5 3 R45 100K SCL SDA 2 74AHC1GU04 U11 C50 0.1 uF V12MON SCL SDA V12MON 2 10K0 10K0 C61 0.1 uF R86 R85 VCC5 2 OSCO OSCI 7 2 1 PCB Revision A PCF8563T VSS CLKOUT VDD INT SCL SDA U16 32 kHz Y1 Date: Size B Title Sunday, June 24, 2007 Document Number 2004070601 33 pF C60 1 Sheet Elecraft K3: Front Panel - Power and RTC NOTES: Regulators U3 and U5 SOT-223. 4 8 3 6 5 1 6 of 7 Rev A0 A B C D A B C D VCC5 1K00 R9 5 TAP1 5 1K00 R12 S21 TAP4 S16 S8 MENU 4 REV S6 S3 SCANADC6 M2 V>M SCANADC5 XFIL A>B S14 S7 SCANADC4 AGC A/B S13 S5 SCANADC3 PRE DISP S12 S4 SCANADC2 ANT BAND+ S20 S1B SCANADC1 RX ANT BAND- S19 S1A SCANADC0 M4 M>V S25 S9 SCANADC5 REC S17 S15 M1 M3 ATUTUNE SCANADC4 S24 S11 SCANADC3 NOTCH XMIT S23 S10 SCANADC2 NR MODE+ S22 SCANADC1 1K00 R17 S2B TAP3 NB SCANADC0 1K00 R15 MODE- S2A TAP2 4 SCANADC7 SCANADC5 SCANADC4 SCANADC3 SCANADC2 SCANADC1 SCANADC0 SCANADC5 SCANADC4 SCANADC3 SCANADC2 SCANADC1 SCANADC0 1K00 R18 TAP5 1K00 R39 XIT S31 RIT S30 AFX S29 CWT S28 SPOT S27 FREQ ENT S26 CLR S33 SUB S35 RATE S34 FINE S32 TAP6 3 SCANADC5 SCANADC4 SCANADC3 SCANADC2 SCANADC1 SCANADC0 SCANADC4 SCANADC2 SCANADC1 SCANADC0 1K00 R42 3 J33 3 SUB ENC Z6 J34 5 6 2 5 6 2 5 6 2 5 6 2 3K00 R58 MAIN ENC Z5 VCC5 TAP7 SHIFT WIDTH SPEED A B OFFSET COM Z7 5 4 3 2 1 5 4 3 2 1 R79 R78 1 2 1 3 4 7 1 3 4 7 1 3 4 7 1 3 4 7 VCC5 VCC5 10K0 10K0 PWR A B SWCOM SW MTG1 MTG2 COM Z4 A B SWCOM SW MTG1 MTG2 COM Z3 A B SWCOM SW MTG1 MTG2 COM Z2 A B SWCOM SW MTG1 MTG2 COM Z1 RITENCA RITENCB SUBENCA SUBENCB /ENC_EN MAINENCA MAINENCB SCANADC2 SCANADC0 SCANADC3 SCANADC1 ADR0 ADR1 ADR2 SCANADC2 SCANADC0 SCANADC1 SCANADC3 SCANADC7 SCANADC4 SCANADC6 SCANADC5 2 2 6 11 10 9 13 14 15 12 1 5 2 4 U3 VDD VSS VEE X 16 8 7 3 TAP7 6 11 10 9 MAINENCA MAINENCB RITENCA RITENCB Date: Size B Title SUBENCA SUBENCB /ENC_EN ADR0 ADR1 ADR2 13 14 15 12 1 5 2 4 R47 R41 R46 R40 R60 R59 R65 R66 CD74HC4051M INH A B C X0 X1 X2 X3 X4 X5 X6 X7 U12 VDD VSS VEE X 16 8 7 3 1K00 R57 VFADCTAP Q7 MMBT3904 1000 pF C27 C68 0.01 uF Sunday, June 24, 2007 Document Number 2004070601 1 Sheet ADR[2:0] 7 of C25 0.01 uF C26 0.01 uF C34 0.01 uF C36 0.01 uF C49 0.01 uF C54 0.01 uF C69 0.01 uF VFADCTAP V C56 0.1 uF VCC5 ADR[2:0] SCANADC7 SCANADC6 SCANADC5 SCANADC4 SCANADC3 SCANADC2 SCANADC1 SCANADC0 SCANADC0 SCANADC1 SCANADC2 SCANADC3 SCANADC4 SCANADC5 SCANADC6 SCANADC7 7 Rev A0 TAP7 TAP6 TAP5 TAP4 TAP3 TAP2 TAP1 MISCENCMUX 1000 pF C23 MISCENCMUX 1000 pF C24 1000 pF 1000 pF C28 C22 1000 pF 1000 pF 1000 pF 100K 100K 100K 100K 100K 100K 100K 100K VFPADCMUX S C29 C31 C30 R27 R22 R30 R14 R8 R11 R10 R7 C39 1000 pF NOTES: PCB Revision A 2 C33 0.1 uF VCC5 1K00 R21 VFPADCMUX Q1 MMBT3904 Elecraft K3: Front Panel - Switches 1 3 VCC5 2 3 VCC5 CD74HC4051M INH A B C X0 X1 X2 X3 X4 X5 X6 X7 10K0 10K0 10K0 10K0 10K0 10K0 10K0 10K0 1 VCC5 1 A B C D A B C D 5 RX1_IF- RX1_IF+ 5 RX IF BUFFER RX1_IF- RX1_IF+ RX IF BUFFER RX1_BIF+ RX1_BIF- LRCLKPCM1804 CLK3MHZ AICBCLK MMISO MMOSI MSCK RX1_IFRX1_IF+ RX2_BIFRX2_BIF+ MICIN BK_MICAFBK_MICAF+ LINE_INLINE_IN+ LINE_IN+ LINE_INBK_MICAF+ BK_MICAF- LHPOUT RHPOUT LOUT ROUT MICIN RX2_BIF+ RX2_BIF- RX1_BIF+ RX1_BIF- TCLK0 CMD /DVRCS SMOSI SSCK /CSDSP1A DIG0A MUTEA 100HZA /CSDSP2A SMISO MOSI SCK /CSDSPLOAD MICS[2..0] /RST MSCK MMOSI /AICCS /LINCS MISC 4 TXIFQ TXIFI MICBIAS LINEOUT_R LINEOUT_L PHONES_R PHONES_L SPKR_R SPKR_L PH_SW BK_PH_SW /AUXDETECT ALC VREF VFWD HAGC1 VSMETER2 VSMETER VIFGAIN1 /MISOEN DSP2DATA /RST5 /RST2 /SPIBOOT2 FX2 DX2 PRGEXP /ENC2 PCMDSP2 /ENDVR /RST DSP1DATAA LRCLKPCM1804 CLK3MHZ CTDOB AICBCLK /ENC1 MMISO AUXD0 MMOSI AUXD1 MSCK /DSP1BUSYA RX1_IFRX1_IF+ RX2_BIFRX2_BIF+ MICIN BK_MICAFBK_MICAF+ LINE_INLINE_IN+ CODECS MISC LINE_IN+ LINE_INBK_MICAF+ BK_MICAF- LHPOUT RHPOUT LOUT ROUT AICBCLK LRCLKAIC23 RX2_BIF+ DSPDX0 RX2_BIFAICADC LRCLKLIN CLK3MHZ LRCLKPCM1804 MICIN PCMADC RX1_BIF+ RX1_BIF- CODECS 4 TXIFQ TXIFI MICBIAS LINEOUT_R LINEOUT_L PHONES_R PHONES_L SPKR_R SPKR_L PH_SW BK_PH_SW /AUXDETECT ALC VREF VFWD HAGC1 VSMETER2 VSMTR VIFGAIN1 /MISOEN DSP2DATA /RST5 /RST2 /SPIBOOT2 FSX2 DX2 PRGEXP /ENC2 PCMDSP2 /ENDVR /RST DSP1DATAA CTDOB /ENC1 AUXD0 AUXD1 /DSP1BUSYA CMD /DVRCS SMOSI SSCK /CSDSP1A DIG0A MUTEA 100HZA /CSDSP2A SMISO MOSI SCK /CSDSPLOAD MICS[2..0] /RST MSCK MMOSI /AICCS /LINCS AICBCLK LRCLKAIC23 DSPDX0 AICADC LRCLKLIN CLK3MHZ LRCLKPCM1804 PCMADC TCLK0 DSP /MISOEN DSP2DATA /RST5 /DSPRST2 /SPIBOOT2 AUXDSPFSX AUXDSPDX PRGEXP /ENC2 PCMDSP2 /ENDVR DSP1DATAA CTDOB /ENC1 AUXD0 AUXD1 /DSP1BUSYA CMD /DVRCS SMOSI SSCK /CSDSP1 DIG0A MUTE 100HZ /CSDSP2 SMISO MOSI SCK /CSDSPLOAD MICS[2..0] /RST /AICCS /LINCS AICBCLK LRCLKAIC23 DSPDX0 AICADC LRCLKLIN CLK3MHZ LRCLKPCM1804 PCMADC TCLK0 DSP 3 3 /TXDACCS LRCLKDAC HPCLK UP MUTE1 MMISO MMOSI MSCK /ADCCS /DACCS HPCLK UP MUTE1 MMISO MMOSI MSCK /ADCCS /DACCS +12V MSCK MMOSI /TXDACCS AICBCLK LRCLKDAC DSPDX0 TCLK0 LOUT ROUT LHPOUT RHPOUT /AUXDSPDET BK_PH_SW PH_SW SPKR_R VFWD VREF ALC HAGC1 VIFGAIN1 VSMETER VSMETER2 TXIFQ TXIFI MICBIAS LINEOUT_L LINEOUT_R PHONES_L PHONES_R SPKR_L SPKR_R 2 Date: Size B Title TXIFQ TXIFI MICBIAS Wednesday, July 18, 2007 Document Number 2004051101 K3 DSP IF: Top LINEOUT_L LINEOUT_R PHONES_L PHONES_R SPKR_L SPKR_R /AUXDETECT BK_PH_SW PH_SW SPKR_R VFWD VREF ALC HAGC1 VIFGAIN1 VSMTR VSMETER2 NOTES: PCB Revision A TXDAC MSCK MMOSI /TXDACCS AICBCLK LRCLKDAC DSPDX0 TCLK0 TXDAC Linear Power +12V Linear Power AUDIO HPCLK UP LOUT ROUT MUTE1 LHPOUT RHPOUT DAC AUDIO ANALOG INTERFACE MMISO MMOSI MSCK nADCS nDACS ANALOG INTERFACE 2 1 Sheet 1 1 of 9 Rev A1 A B C D A B C D 5 PH_SW BK_PH_SW /AUXDSPDET ALC VFWD VREF HAGC1 SPKR_R VSMETER2 nDACS 5 2 9 8 7 1 10 PH_SW BK_PH_SW /AUXDSPDET ALC VFWD VREF HAGC1 SPKR_R VCC3 MMOSI MSCK nDACS 0.1 uF C14 2 1 3 4 6 5 4 BAT54C D1 VREFB VREFA VOUTB VOUTA AD5302A GND VDD DIN SCLK SYNC LDAC U18 4 3 VCC3A R10 VCC3 VIFGAIN1 3 2 4 5 6 7 8 9 10 11 C17 1.0 uF 2.2M DGND DVDD DIN SCLK DOUT CS 3 1M R11 ADC78H90CIMT AGND AVDD AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 AIN7 AIN8 U8 VIFGAIN1 3 12 13 14 16 15 1 2 1 3 VCC2 MMOSI MSCK MMISO nADCS 10K 10K R30 R29 10K 0.01 uF C106 R28 10K R50 Date: Size A Title 2 Wednesday, July 18, 2007 Document Number 2004051101 K3 DSP IF: Analog Interface Sheet BK_PH_SW PH_SW 2 VSMETER /AUXDSPDET VSMETER NOTES: PCB Revision A VCC3 MMOSI MSCK MMISO nADCS BAT54C D2 2 1 1 of 9 Rev A1 A B C D A B C D 5 HPCLK UP ROUT LOUT MUTE1 RHPOUT LHPOUT 5 4 4 0.47 uF 0.47 uF C16 0.47 uF C10 C19 0.47 uF C2 R9 R2 3 20K 20K 3 OUTB OUTA OUTB OUTA 5 10 9 1 6 8 7 3 VCC5A C9 10 uF/25V 10 uF/25V 10 uF/25V 10 uF/25V C15 C13 C18 Date: Size A Title 2 Wednesday, July 18, 2007 Document Number 2004051101 K3 DSP IF: DAC Audio + C6 C3 Sheet C4 1 uF/25V 2.7R R6 C8 3.3 uF 2.7R R3 NOTES: PCB Revision A LM4811MM CLK VDD UP/DN SHUTDOWN BYPASS GND INB INA U2 LM4950TS GND VDD GND BYPASS SHUTDOWN INB INA 10 uF/25V + C22 4 6 7 3 8 2 4 5 2 9 1 U1 33 pF 100K R8 C11 100K 33 pF R1 C1 2 + + + + C7 0.1 uF 3 1 of PHONES_R PHONES_L LINEOUT_R LINEOUT_L +12V SPKR_R SPKR_L 0.1 uF 0.1 uF 1 9 Rev A1 A B C D A B C D MICS[2..0] MICIN R16 BK_MICAF- BK_MICAF+ LINE_IN- LINE_IN+ 7 R13 MICS[2..0] 0.1 uF C28 5 6 + - 5 1 uF C37 1 uF C36 1 uF C34 1 uF C33 2 3 - + C42 0.1 uF 2.2K R22 C30 R24 R26 1K 1K 1K 1K 2.2K R27 100 pF R15 1 U5A LM833D VCC8A R20 R18 VCC3A 10K C31 0.1 uF U5B LM833D VCC8A MICIN 10K BK_MICAF- BK_MICAF+ LINE_IN- LINE_IN+ 5 8 4 8 4 + 100K 1K R25 R23 1K R19 R17 - 2 - 6 C40 10 uF/25V MICS0 MICS1 MICS2 C41 0.1 uF C43 + 4 11 10 9 6 5 3 2 1 12 13 Z Y X 7 8 16 4 15 14 RHPOUT LHPOUT LRCLKAIC AICADC 74HCT4053M VEE GND VCC 100 pF XC YC ZC INH Z0 Z1 Y0 Y1 X0 X1 U4 100 pF 7 U6B LM833D 1 U6A LM833D VCC8A 5 1K + 3 1K 4 C32 VCC8A 8 4 8 4 10K 49.9K RHPOUT LHPOUT LRCLKAIC23 AICADC VCC5A R14 R21 C107 10 uF 10v ECJ VMIDL ROUT LOUT C108 0.1 uF ROUT LOUT C44 C45 16 10 9 13 12 3 BCLK LRCIN DIN MODE SDIN SCLK CS AVSS DVSS HPGND AVDD BVDD DVDD HPVDD CLKOUT XTO XTI/MCLK TLV320ACC23 VMID RHPOUT LHPOUT ROUT LOUT U29 0.1 uF 0.1 uF 3 TCLK0 3 5 25 15 28 11 14 1 27 8 2 RX2_BIF+ RX2_BIF- RX1_BIF+ RX1_BIF- VCC3A VCC3 AICBCLK LRCLKLIN 26 DSPDX0 VCC3 4 22 23 24 21 MMOSI MSCK /LINCS VCC5A RX2_BIF+ RX2_BIF_ C89 0.1 uF LRCLKLIN C47 10 uF/25V /LINCS RX1_BIF+ RX1_BIF- + RHPOUT LHPOUT C48 0.1 uF VMID 2 C80 0.1 uF RHPOUT LHPOUT RLINEIN LLINEIN 2 23 22 28 26 27 25 24 1 3 2 4 5 16 17 18 10 9 13 12 19 20 AVSS DVSS HPGND AVDD BVDD DVDD HPVDD CLKOUT XTO XTI/MCLK DGND 13 6 7 8 9 10 11 12 20 21 19 14 18 15 17 16 15 28 11 14 1 27 8 2 26 25 4 6 3 5 7 22 23 24 21 /RST Date: Size B Title Wednesday, July 18, 2007 Document Number 2004051101 K3 DSP IF: CODECS VCC3 VCC3 TCLK0 PCMADC LRCLKPCM1804 CLK3MHZ VCC3A VCC3 TCLK0 DSPDX0 AICADC AICBCLK LRCLKAIC23 VCC3 MMOSI MSCK /AICCS NOTES: PCB Revision A PCM1804DB AGND SCKI DATA/DSDL LRCK/DSDBCK VrefL BCK/DSDL VcomL AgndL FMT0 FMT1 S/M VinR OSR0 OSR1 VinR OSR2 VrefR BYPAS VcomR OVFR AgndR OVFL RST VCC VDD VinL VinL U23 MODE SDIN SCLK CS DIN DOUT BCLK LRCIN LRCOUT TLV320AIC23B VMID MCBIAS MCIN RHPOUT LHPOUT ROUT LOUT RLINEIN LLINEIN U7 1 Sheet 1 4 of /RST 9 Rev A1 PCMADC LRCLKPCM1804 CLK3MHZ TCLK0 DSPDX0 AICADC AICBCLK LRCLKAIC23 MMOSI MSCK /AICCS A B C D A B C D 3 2 U21 1 3 5 7 9 11 13 MCP120D VSS 5 1 /RST VCC3 TCK TDI TDO TMS TRST EMU0 EMU1 DSP1DATAA /DSP1BUSYA /RST VCC2 EMU1 TRST 10K 10K 10K 10K R44 R43 R47 R46 2 4 6 8 10 12 14 10K 10K R48 R45 JTAG-DSP VDD RST TDO TCK TCK EMU0 VCC3 VCC3 TMS TDI DSPDX0 TCLK0 TCLK1 TCLK0 DSPDR0 DSPCLKR0 DSPFSR0 DSPDX0 AICBCLK DSPFSX0 33R VCC3 100R C62 10 pF 14.7456 MHz R37 C63 10 pF Y1 R35 DSP1DATAA /DSP1BUSYA P59 VCC3 H1 5 134 2 9 18 25 34 40 49 56 63 72 80 89 12 28 46 66 83 101 123 137 131 6 15 23 31 37 43 53 60 69 77 86 94 108 115 129 143 138 139 98 100 99 102 103 96 95 117 116 104 107 106 111 109 110 114 113 136 135 130 38 39 132 133 TMS320VC33PGE PLLVss VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS CVDD CVDD CVDD CVDD CVDD CVDD CVDD CVDD PLLVdd DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD RSV0 RSV1 TCK TDI TDO TMS TRST EMU0 EMU1 XF0 XF1 DR0 CLKR0 FSR0 DX0 CLKX0 FSX0 TCLK0 TCLK1 CLKMD0 CLKMD1 EXTCLK H1 H3 XOUT XIN U16 PAGE0 PAGE1 PAGE2 PAGE3 STRB R/W D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 4 VSS VSS VSS VSS VSS VSS MCBL/MP SHZ RESET INT0 INT1 INT2 INT3 IACK EDGEMODE RDY HOLD HOLDA 4 97 105 112 118 126 140 125 128 127 122 121 120 119 44 124 45 47 48 36 35 33 32 41 42 93 92 91 90 88 87 85 84 82 81 79 78 76 75 74 73 71 70 68 67 65 64 62 61 59 58 57 55 54 52 51 50 30 29 27 26 24 22 21 20 19 17 16 14 13 11 10 8 7 5 4 3 1 144 142 141 /SHZ /RSTDSP /INT0 /INT1 /INT2 /INT3 /RDY /HOLD /PAGE3 /PAGE0 /PAGE1 /WR D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 VCC3 AUXD0 MMOSI MSCK AUXDSPDX VCC3 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 /RDY /WR H1 /PAGE0 /PAGE1 /PAGE3 A0 A1 AUXD0 MMOSI MSCK AUXDSPDX /RSTDSP /DSPRST 3 /PAGE1 /RD /WR A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 3 10 32 46 60 79 93 11 65 59 80 94 9 31 45 13 63 1 2 3 4 5 6 7 8 15 16 17 18 19 20 21 26 27 28 29 30 33 34 35 36 37 43 44 12 14 62 64 26 28 11 25 24 23 22 21 20 19 18 8 7 6 5 4 3 2 1 48 17 16 VSS VSS VDD D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 TDI TMS TCK TDO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO EPM240TQFP100 GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDINT GNDINT VCCIO2 VCCIO2 VCCIO2 VCCIO1 VCCIO1 VCCIO1 VCCINT VCCINT IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO/DEV_OE IO/DEV_CLRn IO/GCLK0 IO/GCLK1 IO/GCLK2 IO/GCLK3 U17 SST39VF800A CE OE WE A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 U10 23 22 24 25 38 39 40 41 42 47 48 49 50 51 52 53 54 55 56 57 58 61 66 67 68 69 70 71 72 73 74 75 76 77 78 81 82 83 84 85 86 87 88 89 90 91 92 95 96 97 98 99 100 27 46 37 29 31 33 35 38 40 42 44 30 32 34 36 39 41 43 45 MOSI SCK /RST5 /CSDSPLOAD 2 330R CTDI CTMS CTCK CTDO R62 /AICCS /LINCS HPCLK DSPCLKR0 DSPFSR0 VCC3 AICBCLK LRCLKDAC /TXDACCS MUTE1 UP LRCLKLIN Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 STATUS2 2 R53 D3 VCC3 CTDI CTMS CTDO CTCK CTDO DSP2DATA SCK MOSI /ENC1 STATUS1 2 R54 D4 R58 R51 R52 R31 R32 R34 R40 R39 R41 R42 R36 R38 74HC138M A B C G1 G2A G2B VCC GND U11 /RST /DSPRST /SPIBOOT MICS0 MICS1 MICS2 AICBCLK 1 1 SDO Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 TPIC6C595D GND VCC SDI SCK SCLR RCK OE /INT0 /INT1 /INT2 /INT3 /SHZ /HOLD 1 2 3 6 4 5 16 8 16 1 2 15 7 10 8 U22 9 Date: Size B Title Wednesday, July 18, 2007 Document Number 2004051101 K3 IF DSP: DSP and Logic 1 2 3 4 5 6 7 8 9 10 7 12 13 9 10 5 4 2 1 15 14 13 12 11 10 9 7 3 4 5 6 11 12 13 14 NOTES: PCB Revision A AUXDSPFSX LRCLKPCM1804 CLK3MHZ PCMDSP2 PCMADC SSCK SMOSI SMISO AICADC LRCLKAIC23 DSP2DATA VCC3 PRGEXP MICS0 MICS1 MICS2 +5V MOSI SCK /RST5 /CSDSPLOAD /DACCS /CSDSP1 DIG0A MUTE 100HZ /CSDSP2 /MISOEN MMISO /DVRCS CMD /ADCCS AUXD1 TCLK0 /AICCS /LINCS TCLK1 DSPFSX0 HPCLK A2 AUXD1 A3 /RD MMISO /DVRCS CMD /ADCCS /SPIBOOT /DACCS /CSDSP1 DIG0A MUTE 100HZ /CSDSP2 /MISOEN /RST LEDST2 AUXDSPSFX LRCLKPCM1804 CLK3MHZ PCMDSP2 PCMADC SSCK SMOSI SMISO AICADC LRCLKAIC23 DSPDR0 /INT0 /INT1 /INT2 /INT3 LRCLKDAC /TXDACCS MUTE1 UP LRCLKLIN LEDST1 VCC3 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 2 VCC 4Y 3Y 2Y 1Y 14 11 8 6 3 1 Sheet JTAG - CPLD P57 SN74LVC125A GND 4A 4OE 3A 3OE 2A 2OE 1A 1OE U13 220R 220R 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K VCC3 /ENC1 /ENDVR /ENC2 R33 /DSPRST /SPIBOOT /DSPRST2 /SPIBOOT2 MICS0 MICS1 MICS2 PRGEXP 10K 5 of 9 Rev A1 CTDOB PG1 PG2 /ENC1 /ENDVR /ENC2 VCC3 PRGEXP /DSPRST2 /SPIBOOT2 MICS[2..0] VCC3 CTDOB CTMS CTCK CTDI /PAGE3 /PAGE0 MICS[2..0] 1 A B C D A B C D +12V 5 5 C105 0.1 uF C102 0.1 uF 2 1 2 1 TAB OUT 4 3 TAB OUT 4 3 UA78M08CDC GND +VIN U28 UA78M05CDC GND +VIN U27 + VCC8A + VCC5A C104 10 uF/25V L1 C103 10 uF/25V +5V 4 4 + 100 uH C100 0.1 uF 3 + 2 4 C35 0.1 uF FAN1086M33 VO VO C27 10 uF/25V VI U26 C85 100 uF/10V GND 1 + MICBIAS C93 100 uF/10V VCC3 7 8 3 2 OUT OUT 3 LP3982 SHDN FAULT ADJ GND CC IN U9 3 1 2 1 2 1 2 5 6 1 4 GND A B TP3 GND A B TP1 GND A B TP2 C54 0.033 uF C56 10 uF 10v ECJ VCC2 VCC5A VCC3 +5V VCC3 VCC3 VCC2 2 C23 0.1 uF C73 0.1 uF C77 0.1 uF C70 0.1 uF C57 0.1 uF C65 0.1 uF 2 + + VCC8A C79 0.1 uF C12 0.1 uF C38 0.1 uF C74 0.1 uF C68 0.1 uF C58 0.1 uF C51 10 uF/25V 100 uH C86 0.1 uF C61 0.1 uF C69 0.1 uF C49 0.1 uF Date: Size B Title Wednesday, July 18, 2007 Document Number 2004051101 K3 DSP IF: Power Supply, Linear C21 0.1 uF C87 0.1 uF C78 0.1 uF C53 0.1 uF C60 0.1 uF NOTES: PCB Revision A C29 10 uF/25V C52 0.1 uF L2 C72 0.1 uF C59 0.1 uF C64 0.1 uF C39 0.1 uF 1 Sheet C50 0.1 uF VCC3A C75 0.1 uF C71 0.1 uF C66 0.1 uF 1 6 C46 0.1 uF of C55 0.1 uF 9 Rev A1 A B C D A B C D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Aux DSP 1 2 3 4 5 J53 Aux DSP J52 DSP MIC 1 2 3 4 5 P32 FP-DSP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P31 SMISO SMOSI SSCK /CSDSP2A /RST2 DSP2DATAA /SPIBOOT2 PCMDSP2 LRCLKPCM1804 CLK3MHZ AICBCLK FSX2 DX2 /DSP2BUSYA /AUXDETECT /ENC2 AUXD0 RX2_BIFVSMETER2 RX2_BIF+ DSP2DATA AUXD1 MICBIAS MICIN /DSP1BUSY /DSP2BUSY VSMETER /CSDSP1 /CSDSP2 /CSDSPLOAD DSP1DATA DSP2DATA MOSI SCK MISO MUTE 5 RX2_IF+ RX2_IFHAGC2 VIFGAIN2 5 AUXD1 VCC8A VCC3 /AUXDETECT /ENC2 AUXD0 RX2_BIFVSMETER2 RX2_BIF+ /SPIBOOT2 PCMDSP2 LRCLKPCM1804 CLK3MHZ AICBCLK FX2 DX2 /RST2 MICBIAS MICIN DSP2DATA /CSDSPLOAD VSMETER MOSI SCK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DSP AF J50 DSP IF J51 PHONES J1 4 DIG0 SPKR_L SPKR_L SPKR_R SPKR_R BK_PH_SW ALC BK_PH_L BK_PH_R LINEOUT_R LINEOUT_L BK_MICAFBK_MICAF+ LINE_INLINE_IN+ HAGC1 HAGC2 TXIFI TXIFQ RX2_IF+ RX2_IFVIFGAIN1 VIFGAIN2 VFWD VREF RX1_IF+ RX1_IF100HZ 8 9 2 3 4 6 7 1 5 4 +12V +5V LINEOUT_R LINEOUT_L BK_MICAFBK_MICAF+ LINE_INLINE_IN+ BK_PH_SW ALC R5 R7 SPKR_R SPKR_L HAGC1 VFWD VREF VIFGAIN1 TXIFI TXIFQ 8.2R 8.2R +5V 2 /ENDVR 3 4 MOSI /ENDVR DSP2DATA SCK 1 2 3 4 5 6 7 8 9 10 /RST5 MMISO MMOSI MSCK /DVRCS CMD /MCLR PGD PGC 7 12 13 9 10 5 4 2 1 /DSP1BUSY /DSP2BUSY /RST5 MUTE MISO 100HZ /CSDSP2 MOSI SCK /CSDSP1 DIG0 U14 VCC 4Y 3Y 2Y 14 11 8 6 3 SN74LVC125A GND 4A 4OE 3A 3OE 2A 2OE 1Y MMISO MMOSI MSCK /DVRCS CMD SMISO /ENC2 CTDOB /ENC1 DSP2DATAA DSP1DATAA C76 0.1 uF +5V 1A 1OE VCC3 CTDOB /ENC1 DSP1DATAA NC7SZ14 U12 VCC3 DVR J54 PHONES_L PHONES_R PRGEXP PHONES_R PHONES_L PHONES_L PHONES_R PRGEXP 10K 8.2R R4 R49 8.2R R12 PH_SW C5 0.1 uF RX1_IF+ RX1_IF- SPARE1 C26 0.1 uF PH_SW 3 5 3 U20 VCC GND Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 1G 2G 1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4 VCC 4Y 3Y 2Y 1Y 2 74HCT125 GND 4A 4OE 3A 3OE 2A 2OE 1A 1OE U15 74VHCT244 VCC GND 1Y1 1Y2 1Y3 1Y4 2Y1 2Y2 2Y3 2Y4 U19 74LCX541 G1 G2 A1 A2 A3 A4 A5 A6 A7 A8 VCC3 PGD /MCLR PGC 7 12 13 9 10 5 4 2 1 20 10 18 16 14 12 9 7 5 3 1 19 2 3 4 5 6 7 8 9 2 C67 0.1 uF 14 11 8 6 3 1 19 2 4 6 8 11 13 15 17 20 10 18 17 16 15 14 13 12 11 Date: Size B Title /MISOEN /RST MUTEA /DSP1BUSYA SMISO 100HZA /CSDSP2A SMOSI SSCK /CSDSP1A DIG0A PJG2 PJG1 Wednesday, July 18, 2007 Document Number 2004051101 1 Sheet 7 K3 DSP IF: INTERCONNECTS AND MISCELLANEOUS NOTES: PCB Revision A +5V MISO DSP2DATA DSP1DATA /MISOEN /DSP1BUSYA /DSP2BUSYA /RST MUTEA SMISO VCC3 100HZA /CSDSP2A SMOSI SSCK /CSDSP1A DIG0A 1 of 1 1 1 1 1 1 1 1 1 9 Rev A1 FIDCL2 FIDCL1 STNDO9 SHIELD STNDO8 K3FP STNDO7 K3FP STNDO6 AUX DSP STNDO5 AUX DSP STNDO4 K3FP STNDO3 K3FP STNDO2 AUX DSP STNDO1 KDVR3 A B C D A B C D 5 5 RX1_IF+ RX1_IF- 3K 3K R57 10 uF/16V C92 R60 C84 4 + 4 10 uF/16V + R61 R55 + 3 4 5 C81 C91 51R 51R 2 C88 2700 pF Date: Size A Title 2 Wednesday, July 18, 2007 Document Number 2004051101 K3 DSP: RX IF BUFFER NOTES: PCB Revision A R59 R56 1000 pF 1000 pF EN OPA1632D U24 VCC8A C83 0.1 uF 909R 1 - 2 Vocm 8 909R VCC8A 3 3 6 7 C90 C82 Sheet 10 uF/10V 10 uF/10V 8 1 1 of 9 RX1_BIF+ RX1_BIF- Rev A1 A B C D A B C D 5 5 TXIFI TXIFQ TXIFI TXIFQ C99 10 uF 10v ECJ 4 4 + C98 10 uF/16V VMIDT C96 10 uF 10v ECJ TXROUT TXLOUT C101 0.1 uF 16 10 9 13 12 3 3 BCLK LRCIN DIN MODE SDIN SCLK CS AVSS DVSS HPGND AVDD BVDD DVDD HPVDD CLKOUT XTO XTI/MCLK TLV320DAC23 VMID RHPOUT LHPOUT ROUT LOUT U25 VCC3 TCLK0 VCC3AT C97 0.1 uF L3 AICBCLK LRCLKDAC DSPDX0 VCC3 MMOSI MSCK /TXDACCS 100 uH Date: Size A Title 2 Wednesday, July 18, 2007 Document Number 2004051101 K3 DSP IF: TX DAC NOTES: PCB Revision A 15 28 11 14 1 27 8 2 26 25 3 5 4 22 23 24 21 2 C95 0.1 uF + Sheet TCLK0 9 1 of C94 10 uF/25V AICBCLK LRCLKDAC DSPDX0 MMOSI MSCK /TXDACCS 1 9 Rev A1 A B C D C:\Elecraft\Henry\Modules\Beta\LPA\Schematic\K3 LPA revXT.sch - Sheet1 K5A K1A 2 4 2 4 3 3 C1 510 C17 2000 4 3 2 1 820 C19 C3 .01 L1 5 3 4 3 4 MOSI3 SCK3 MISO3 J44A LD_BPF2 RFC1 22 SET = 14-18 RESET = 10-14 2 K6A C39 .01 7 C40 .01 6 C2 2000 C20 C18 820 510 C4 .01 MISO3 MISO3 5V 0.68 L15 22 22 K6B L12 0.56 C22 C21 L14 0.68 (Cp ~3 pF) L13 6.8 5 2.2 5 2.2 6 L2 18 L5 7 K2B 390 L4 C5 10-14/14-18 MHz SET = 2-3.5 0.56 6 2 K2A 10 C6 2000 L3 RESET = 0.5-2 L11 18 0.5-2/2-3.5 MHz 7 5 7 K5B 3 K1B 2 1 /G SOUT RCK /Q4 /Q3 /CLR /Q5 /Q2 /Q7 /Q0 /Q6 SRCK SIN /Q1 GND VCC 9 10 11 12 13 14 15 16 8 7 6 5 4 3 2 1 /Q5 /Q4 RCK /Q2 /Q3 /CLR SOUT /Q6 /Q1 /G /Q7 SRCK SIN /Q0 GND VCC 9 10 11 12 13 14 15 16 U2 TPIC6C595D 8 7 6 5 4 3 2 1 U1 TPIC6C595D 6 6 5 K7A 2 SCK3 3 C25 470 3 LD_BPF2 SCK3 LD_BPF2 2 4 J44C K3A 4 C9 560 C27 910 0.39 L20 0.22 L16 C11 1500 L6 1.5 4 3 2 K4B C13 36 8 8 3 1 1 .01 2 K8B C30 9 5V 5V L18 5.2 K7 K8 K6 K5 K3 K4 K2 K1 C36 0.39 L19 7 L17 0.22 NOTE: C28 560 C12 1500 470 C26 C10 910 6 6 7 5 7 K7B 5 K3B By A Rev. KBPF3 6/29/07 Date Appendix B W. Burdick Elecraft 1 of 4 Sht. All relays are mounted on the back side of the PCB. K1-K8 are shown in the RESET position. SET = 23-28 RESET = 18-23 5 6 35t #28, T37-2 C29 9 K8A SET = 7-10 7 K4A 1.0 6 L7 1.5 RESET = 4-7 5 10 L9 C14 56 L8 4-7/7-10 MHz 18-23/23-28 MHz 4 .01 .01 1.0 L10 C31 C41 J44E C32 C42 1 C33 C43 2 C34 C44 3 C35 A B C 2 1 5 R7 1M 1N5711W D3 C9 1000 pF RFC1 47 uH 0.01 uF C6 4 3 2 1 P41A 4-pin RA 6 5 - + LPTX 7 9 4 2 1 10 8 3 DPDT K1 2 470K R2 7 U1B TLV272 RF Detector 1N5711W D2 R6 100K 1 0.01 uF 0.01 uF C5 C7 2 3 4 R5 180K 4 - + 1 3.6VDC ~ 1.0 mW 1M R3 1 U1A TLV272 MMBT3906 1 Q2 12V_SW 2 3 R8 2K2 R4 330R Q1 MMBT3904 2K2 R9 12V_SW R12 1K 7R 3 R13 R11 1K K3 RF Board P66 3 D1 C13 100 pF LD_XV 100R /LP 0.01 uF 1 C4 P41B 4-pin RA 2 MOSI3 16 1 2 15 7 10 8 C2 0.01 uF R1 1K SDO Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 9 3 4 5 6 11 12 13 14 0.01 uF C1 C8 0.01 uF TPIC6B595DW GND VCC SDI SCK SCLR RCK OE U2 C11 0.1 uF 0.01 uF C3 BAP64-05 4 3 2 1 3 D 8 4 2 3 8 4 5 SCK3 7T 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 2 MISO3 /LP 2 C10 0.01 uF D4 5V1 12V_SW 3 Date: Size B Title NOTES: 1 DPDT 7 9 4 2 12V_SW C12 0.01 uF Friday, June 22, 2007 Document Number 2006030602 KXV3: Main 1 Sheet 1 of 4. W4 must be installed on the RF board when the KXV3 is installed (between RF-P86 and KXV3-P87). 3. W1 and W2 on the RF board must be removed or cut when the KXV3 is installed. 2. K1 and K2 are DPDT relays shown in RESET position. 1. KXV3-1 and -2 modules are soldered together via right-angle male connectors at J/P41A/C. 2K2 R10 1 10 8 3 K2 1 1 Rev A0 A B C D A B C 5 5 4 3 2 1 4 3 2 1 4-pin RA J41A J37 RX Ant Out 1 2 3 4 5 J36 RX Ant In 4 R1 100K 2 pF C1 SPARK GAP 3 BAT54S 22 pF C2 3 D1 1 2 R2 1M Date: Size A Title 0.1 uF C3 1 3 2N7002K Q1 2 XVTR In J38 2 I.F. Out J40 4-pin RA J41B MT1 SWAGE MT2 SWAGE 1 1 RX IF 1 2 3 J87 Friday, June 22, 2007 Document Number 2006030602 KXV3: Connector 2 GAP1 3 5 4 3 2 1 D 4 4 3 2 1 Sheet 1 2 3 4 5 5 XVTR Out J39 1 1 1 of 1 2 3 4 5 1 Rev A0 A B C D 5V To Sub. RX J43 J69B R2 /Q6 /Q5 /Q4 RCK /Q0 /Q1 /Q2 /Q3 /CLR /Q5 /Q4 RCK /Q2 /Q3 /CLR U3 SOUT /Q6 /Q1 /G /Q7 /Q0 GND SRCK SIN VCC SOUT /Q7 SIN /G GND SRCK VCC TPIC6C595D 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 K19 2 4 9 K18 Ant. 9 7 8 I.F. 3 Switch 13 Sub. RX Ant. Switch 8 Main 9 10 11 12 13 14 15 16 9 10 11 12 13 14 15 16 TPIC6C595D U2 560K Trap 2 P42 Trap 2 1 16 .01 .01 16 4 .01 K9 8 6 K15 1 C52 .01 K9 K10 K16 K1 K2 K3 K4 K11 K12 K13 K14 K5 K6 K7 5V C33 4 K11 .01 C46 C49 .01 C43 C15 0.1 9 K17 13 8 6 9 2 13 11 39 13 K3 8 K4 C ANT 11 6 U4 8 6 C4 82 9 8 7 6 5 4 3 2 1 /Q7 /Q6 /Q0 /Q1 /CLR 1 J72 SOUT RCK /G /Q4 /Q3 /Q5 SRCK SIN /Q2 GND VCC 9 10 11 12 13 14 15 16 13 11 5V C56 .01 C20 100 C18 100 C16 100 12 13 C5B 9 11 C5A 8 6 9 8 6 8 6 R3 OUT IN GND 78L05 U1 12V_ATU 1 1 13 C54 .01 C11 K17 K18 K19 C57 .01 470 R5 470 R4 .01 16 C6 9 11 13 330 K6 4 2.1 µH L6 470 11 10 4 K14 C TX 13 4 150 4 K13 9 13 K5 11 4 11 6 8 9 8 L5 1.0 µH 6 13 4 TPIC6C595D 4 K12 L4 0.48 µH C Ant./C TX Select 11 C3 9 9 22 8 11 13 6 C2 K8 4 6 K2 8 C1 1 13 K10 11 6 4 0.23µH L3 12 9 11 9 13 11 K1 8 6 4 0.11 µH 0.05 µH 4 L2 = Parts mounted on the bottom of the PC board. In addition to these, all relays are on the bottom. K1-K19 are shown in the RESET position. C14 0.1 0.1 C13 (ANT2) To J8 SA2 4 C32 C37 560K C34 C39 SA1 C10 3900 C35 C42 11 C53 C38 6 C27 C50 R1 C45 C48 C30 C31 (ANT1) C36 C44 C47 C29 To J7 C26 C28 L1 C40 96 nH C41 L10 C55 J69A C51 5V 8 9 8 C25 0.1 E. Swartz 8 6 6 9 13 13 11 K8 4 9.0 µH L8 3 4 XD3 Rev. 5 6 47 C12 40 nH L9 7 1 of 1 Sht. RF Board J70 9 11 13 15 17 19 8 10 12 14 16 18 20 C8D 330 9 8 7/11/07 Date KAT3 ATU MISO3 1 2 330 330 C8B C8C 11 .001 C23 B y W. Burdick Elecraft 100 R6 47 uH RFC1 LD_ATU SCK3 MOSI3 330 330 C7B C8A 4 K16 13 13 11 9 K7 C22 .001 C24 0.1 C21 100 C19 100 6 11 6 C17 100 330 C7A 4 K15 9 8 4 4.4 µH L7 A B C D VCC3 PGC PGD R3 5 5 R2 R1 VCC3 47K VCC3 120R 120R /DVRCS /MCLR /WP /WR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 6 19 7 8 18 9 16 17 4 Vss Vss Vcc Vcc D0 D1 D2 D3 D4 D5 D6 D7 13 36 12 37 29 30 31 32 41 42 43 44 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 TC58DVM72A1FT00 GND WP RDY/BUSY RD WR CS CLE ALE U1 RG13 RG12 RG14 RG0 RG1 RF1 RF0 VDD VDDcore RD7 RD6 RD5 RD4 RD3 RD2 RD1 PGC2/RC14 PGD2/RC13 RD0 RD11 RD10 U1CTS/RD9 RD8 VSS CLK0/RC15 CLKIN/RC12 VDD SCL1/RG2 SDA1/RG3 U1RTS/SCK1/RF6 U1RX/SDI1/RF2 U1TX/SDO1/RF3 PIC24HJ64GP206 RG15 RC1 RC2 RG6/SCK2 RG7/SDI2 RG8/SDO2 MCLR RG9/SS2 VSS VDD RB5 RB4 RB3 RB2/SS1 RB1/PGC3 RB0/PGD3 RB6/PGC1 RB7/PGD1 AVDD AVSS RB8/U2CTS RB9 RB10/TMS RB11/TDO VSS VDD RB12/TCK RB13/TDI RB14/U2RTS RB15 RF4/U2RX RF5/U2TX U2 /WP RDY /RD /WR /CS CLE ALE 4 D0 D1 D2 D3 D4 D5 D6 D7 3 SCK MOSI MISO VCC3 CMD D0 D7 D6 D5 D4 D3 D2 D1 VCC3 ALE CLE /CS /RD RDY VCC3 3 1 Z1 8.0 MHz 2 D[7:0] Date: Size A Title 3 0.1 uF C1 VCC3 MISO MOSI SCK /DVRCS CMD /MCLR PGD PGC C3 0.1 uF 2 Friday, April 21, 2006 Document Number 20040901001 K3: Digital Voice Recorder C6 10 uF 10v ECJ VCC3 2 Main DSP P54 Sheet STANDOFF 1 ST1 1 2 3 4 5 6 7 8 9 10 C5 0.1 uF 1 1 C4 0.1 uF 1 of + 1 Rev XB.5 C2 10 uF/25V A B C D C:\Projects\K3\Schematics\KPAIO3revXI.sch - Sheet1
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