E F Johnson 2424310 Non-Broadcast Transceiver User Manual 4300ServMan VHF
E. F. Johnson Company Non-Broadcast Transceiver 4300ServMan VHF
Contents
- 1. manual part 1
- 2. manual part 2
- 3. manual part 3
- 4. manual part 4
manual part 3
8-9
EPROM
DAC
MUX
N/C
nCS
SPI_CLK
SPI_MOSI
nATTEN
ADDR1
RF_CLK+
RF_DAT+
RF_FS
ADDR2
SPI_ENA
SPI_CLK
SPI_MISO
SPI_MOSI
RX_PLL_LOCK
nT/R
TX_MOD1
TX_MOD2
SPI_MISO
TEMP
PWR_CTL
LOCK_ENA
nTX_NAP
ADDR2
ADDR1
PLL1_CS
SPI_ENA
RXBE_CS
PLL2_CS
TX_PLL_LOCK
ATTEN
+3.3V
+3.3V +5.5V UNSW_BAT1
UNSW_BAT
+5VR
+3.3V
+3.3V
+3.3V
UNSW_BAT1
J2
CON26
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
CP4
47pf
18
27
36
45
CP1
47pf
18 27 36 45
TP24
TP2
R32
10K
U32
AT25010
1
2
3
4
5
6
7
8
CS
Q
WP
DNG
D
CLK
HOLD
CCV
TP17
TestPoint
R14
10K
TP25
P5
STPAD
1
C115
33pf
C199
.01uF
TP20
U36
74HC138
8
15
14
13
12
11
10
9
7
1
2
3
5
4
6
61
DNG
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
A
B
C
G2B
G2A
G1
CCV
P4
STPAD
1
U15
74V1G14
2
3
4
5
P6
STPAD
1
RP1
1K
18 27 36 45
CP3
47pf
18
27
36
45
TP22
+C35
4.7uf
P1
PAD 1
C169
.01uF
FB1
FB-1210SO
12
TP19
CP2
47pf
18 27
36 45
P7
STPAD
1
C29
.01uf
P2
PAD 1
R42
10K
TP18
C200
.01uF
P8
STPAD
1
TP23
F1
FUSE0603
P3
PAD 1
TP5
U31
AD5308
3
4
41
6
5
16
2
15
8
7
10
11
12
13
9
1
CCV
VoutA
DNG
VoutC
VoutB
SCLK
nSYNC
DIN
REFabcd
VoutD
VoutE
VoutF
VoutG
VoutH
REFefgh
LDAC
RP2
1K
18
27
36
45
N
OTE: Individual replacement parts are not available for the
R
F board, so the entire board must be replaced if it is defective.
VHF RF BOARD SCHEMATIC (PAGE 2 OF 6)
8-10
PLL
VCO1
PLL
TX_MOD1
SPI_MOSI
TX_MOD2
SPI_CLK
RX_PLL_LOCK
PLL1_CS
16.8MHz
LOCK_ENA
T/nR
RX_LO
TX_LO
nT/R
nT/R
+5.5V
+5VA
+5VA
+3.3V
+5.5V
+5VA
+3.3V
+5VA
+3.3V
+3.3VXR
FB6
FB
12
C195
.1uF
C12
.018uf
+C174
4.7uf
C95
3300pf
R53
100
R77 330
R63
NP
U6 RF2361
1
34
5
2
RFIN
VDP RFOUT
2G
1G
+C175
4.7uF L
+
C2
4.7uF
R65
NP
L44
82nH
C15
47pf
R12
1K
C23
220pf
C5
.0047uf
L40
100nH
C159
1000pF +C203
4.7uf
FB5
FB
12
C17
1000pf
U29
CX72301
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
62
27
28
92
CLK
MOD_IN
MUXOUT
VSUBD
GNDcm
mcCCV
FVCO
nFVCO
LD/PS
VCCcp
CPOUT
GNDcp
XTALG
XTALIN XTALO
VCCx
GNDx
LD/PSa
VCCca
CPout
GNDcp
nFVCOa
FVCOa
VCCcm
GNDd
dCCV
DATA
nCS
G
C181
100pf
R73
330
C16
.015uf
C28
.15uf
R5
620
C60
18pf
R17
200
TP21
+C196
1uF
C166
100pf
R71
100
+C154
10uf
U23
LT1761ES5-5
15
42
3
IN OUT
BYPGND
nSHTDN
C14
1000pf
U7
AS169-73
1
2
3
6
5
4
J3
GND
J2
V2
J1
V1
C24
220pf
C96
.1uf
R60
0
R78 330
C192
.1uF
C189
.01uF
C22
.68uf
C41
470pf
C90
470pf
FB7
FB
12
TP16
C153
10pf
C193
100pf
R30
240K
C164
.1uF
R31
160
C160
4700pf
+C161
1uf
C61
1000pf
C62
1000pf
R64
0
C68
12pf
U34
ILC7081AIM550x
15
42
3
IN OUT
BYPGND
nSHTDN
C97
.1uf
R61
100K
C276
3300pf
+C202
4.7uf
E5
SHIELD-PLL
1
GND
C167
1000pf
R29
1K
+
C171
4.7uf
R10
240
R8
620
R9
2K
TP13
TestPoint
Y1
VTX822015C-16.8-5.0
4
3
1
2
5
ccV
Out
Vtune
d
nG
G
U17
ADG749
4
6
1
2
3
5
S1
S2
IN
VG
D
C182
.1uF
R59
1K
U1
VCO-D16
1
2
3
4
RF_o
V
IN
G
R74
330
C194
100pf
C157
1000pF
C165
3300pf
NOTE: Individual replacement parts are not available for the
RF board, so the entire board must be replaced if it is defective.
VHF RF BOARD SCHEMATIC (PAGE 3 OF 6)
8-11
TO PG 5
FROM PG 6
+23dB -2dB +19dBm
+21dBm
+4dBm
SHIELD
0805 0805 0805
nT/R
TX_RF
PWR_CTL
TEMP
nT/R
T/nR
nTX_NAP
RX_IN
+5.5V
+5.5V
+3.3V
+3.3V
SW+5V
UNSW_BAT
SW+5V
+5.5V
SW+5V
SW+5V
+3.3V
SW+5V
UNSW_BAT1
C226
3300pf
D10
SI2323
1
23
C151
.01uf
C149
3300pf
E3
SHIELD-HARMONIC
1
GND
L11
51nH
C141
.1uf
R56
1M
C72
22pf L
FB2
FB-1210SO
12
Q5
2N7002
3
1
2
C38
33pf
R46
NP
L22
51nH
C162
3300pf
R68
9.1
C114
.01uF
Q3
2N7002
3
1
2
C152
.01uf
C158
120pF
R100
390
C124
3300pf
+
-
U21B
LM8272
5
67
8
4
R52
1K
U9
LM50/SOT23
12
3
+VCC VOUT
DNG
R105
4.7k
TP15
C137
.01uF
C156
NP
+C172
1uF
R66
NP
D13
MA4P1250-1072
12
L26
NP
C39
12pf L
C34
3300pf
U20
SGA-6589
1
2
3
4
R103
10k
R69
10K
+
-
U21A
LM8272
3
2
1
84
L46
390nH
TP11
R101
390
U10
ILC7081AIM550x
15
42
3
IN OUT
BYPGND
nSHTDN
C223
100pf
C271
5.6pf L
R104
4.7k
C89
7.5pf L
R67
NP
R58
10K
C150
.01uf C270
4.3pf L
C148
3300pF
C33
3300pf
U22
AD8361
1
2
3
45
6
7
8VPOS
IREF
RFIN
PWDNCOMM
FLTR
VRMS
SREF
R54
NP
Q6
2N7002
3
1
2
C138
.022uf C46
3300pf
R102
10k
C224
3300pf
L47
390nH
R99
390
+C105
1uF
L21
51nH
R76
0
C222
3300pf
C155
3300pF
R11
1K
R51
3.9K
C225
3300pf
C51
22pf L
+C32
4.7uf 16V
R57
0
R62
0
U14
74V1G14
2
3
4
5
C113
100pf
R13
30
R50
0
J3
NP
1
2
3
4
Q4
2N7002
C163
.01uf
C45
NP
L49
NP
L48
390nH
J1
ANTENNA
1
2
3
4
FB3
FB-1210SO
12
D12
MA4P1250-1072
12
+C125
4.7uF L
TP14
U3
POWER AMP
1
2
3
4
5
RFin
ggV
ddV
RFout
dnG
L31
220nH
NOTE: Individual replacement parts are not available for the
RF board, so the entire board must be replaced if it is defective.
VHF RF BOARD SCHEMATIC (PAGE 4 OF 6)
8-12
TO PG 1
FROM LO BUFFER
0603
W=30, L=40
1008
W=40, L=60
0603
136-174 MHz
0603
W=7, S=8,
N=2.7
W=30, L=30
FROM PG4
W=7, S=8,
N=1.5
LNA
W=30, L=30
1008 10081008
136-174 MHz
FDG6303ALT
0603 0603
W=7, S=8,
N=1.5
W=7, S=8,
N=2.7 W=7, S=8,
N=2.7 W=7, S=8,
N=2.7
0603
IF
nTX_NAP
nATTEN
RX_IN
ATTEN
nATTEN
RX_LO
+3.3VXR
R20
0
C242
3300pf
C315
NP
L36
22nH
U39 MGA-71543
32
1
4
IN OUT
G
G
U48
NP
1
2
34
5
6
S1
G1
D2 S2
G2
D1
C234
39pf L
R25
NP
C65
3300pf
MX1
ADEX-10L
32
64
1
5
RF IF
OLG
G
G
C64
3300pf
R106 0
C231
6.2pf L
C316
7.5pf
C235
39pf L
R21
NP
R125
NP
R75
0
R84
0
L19
18nH
C206
3300pf
L53
150nH
C239
6.2pf L
R98
1K
R19
NP
R79
0
L54
150nH
R107 0
TP3
C241
3300pf
C317
7.5pf
C56
3300pf
C63
3300pf
C70
3300pf
R24
NP
R72
62
C314
NP
L51
150nH
C233
6.2pf L
L33
15nH
C277
39pf L
R18
NP
TP6
R130
10nH
C36
NP
R27
NP
R126
NP
U44
AT-267
1
2
34
5
1FR
DNG
2FR1V
2V
C205
100pf
R16
NP
C318
43pf
L82
72nH
C232
1000pf
C236
82pf L
C69
.01uf
R28
NP
D4
SI2323
1
23
C67
3300pf
R26
0
TP4
C55
100pf
R124
NP
R22
0
C238
6.2pf L
C237
82pf L
L50
150nH
L9
NP
C229
1000pf
C230
39pf L
L32
22nH
L83
72nH
C26
NP
N
OTE: Individual replacement parts are not available for the
R
F board, so the entire board must be replaced if it is defective.
VHF RF BOARD SCHEMATIC (PAGE 5 OF 6)
8-13
PLL
0603 0603
0603
0603
VCO1
SPI_CLK
PLL2_CS
TX_MOD2
TX_MOD2
SPI_MOSI
TX_PLL_LOCK
TX_LO
T/nR
T/nR
TX_RF
+5.5V
+3.3V
+3.3V
+5VA
+5VA +3.3VXR
FB9
FB
12
C25
3300pf
+C310
1uf
C295
3300pf
L77
72nH
TP27
L35
39nH
C296
3300pf
C306
.0068uf
R113
1K
C275
1.0uf
R122
430
C303
10pf
R123
2K
C307
1000pf
R114 330
FB10
FB
12
U47
VCO-D16
1
2
3
4
RF_o
V
IN
G
R117
1K
C305
100pf
C312
3.3pf
Y2
VTX822015C-16.8-5.0
4
3
1
2
5
cc
V
Out
Vtune
dnG
G
C300
3300pf
C294
470pf
C311
4700pf
R116
NP R118
10
R110
240K
C299
100pf
C30
.22uf
C301
1000pF C304
.1uF
R112 330
+C290
4.7uf
C298
47pf
C288
.1uF
R23
51
+
C286
4.7uf
U18
MAX2661
1
2
6
5
34
LO
GND
nSHDN
VCC
IFIN RFOUT
+C284
10uf
R111
330
+C289
4.7uf
R121
430
TP28
C292
100pf
C297
1000pf
C291
.1uF
R119
100
C272
3.3pf
L78
72nH
C309
.022uf
R70
51
C313
3.3pf
C27
3.3pf
R115
330
L81
330nH
U45
LT1761ES5-5
15
42
3
IN OUT
BYPGND
nSHTDN
C308
.027uf
FB8
FB
12
+C302
4.7uf
R15
51
C274
10pf
R109
160
C287
100pf
C273
3.3pf
+
C293
4.7uF
U46
CX72301
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
62
27
28
CLK
MOD_IN
MUXOUT
VSUBD
GNDcm
mcCCV
FVCO
nFVCO
LD/PS
VCCcp
CPOUT
GNDcp
XTALG
XTALIN XTALO
VCCx
GNDx
LD/PSa
VCCca
CPout
GNDcp
nFVCOa
FVCOa
VCCcm
GNDd
dCCV
DATA
nCS
C285
.1uF
N
OTE: Individual replacement parts are not available for the
R
F board, so the entire board must be replaced if it is defective.
VHF RF BOARD SCHEMATIC (PAGE 6 OF 6)
8-14
VHF RF BOARD TOP VIEW
8-15
VHF RF BOARD BOTTOM VIEW
9
-
8FHV 5
1CITAMEHCS DRAOB
A
P
W
E
G
A
P( 1
F
O 4)
9
-
8FHV 5
1CITAMEHCS DRAOB
A
P
W
E
G
A
P( 2
F
O 4)
9
-
8FHV 5
1CITAMEHCS DRAOB
A
P
W
E
G
A
P( 3
F
O 4)