Communication Components BDA8087 Bi-Directional Amplifier User Manual 8
Communication Components Inc Bi-Directional Amplifier 8
8
APPLICANT: FCC H) N0: ERICSSON WC. MATE—376A: EXHIBIT 4 ClRCUIT DIAGRAMS PARA 2.933 (aw) Circuit Diagrams PWB D-awing No. PCB Drawing No. Descripfion Sheet No. TVK117 3014 11 ROA 117 3391 Logic/Radio Interface 10f18 TVK 117 3014 12 ROA 117 3391 Level Shifi & Invener Circuits 2 of 18 TVK 117 3014 LI ROA 117 3391 System Connector & Interface Cirulitry 3 of 18 TVK 117 3014 L2 RCA 117 3391 Gessical ChargerNollage Regulators 4 of 18 TVK117 3014 L3 ROA117 3391 Susan ASIC 5 0f18 TVK 117 3014 L4 ROA 117 339I System Memory 6 of 18 TVK 1173014 L5 ROA 1173391 DSP 7of18 TVK1173014 L6 RDA 1173391 AndioI Sof 18 TVK117 3014 L7 ROA117 339l Audio 11 9 of 18 TVK117 3014 LS ROA 117 3391 LCD Chameler Display 10 of 18 TVK117 3014 L9 ROA117 3391 Keypad and Bacldight ll of 18 TVK1173014 Rl ROA 1173391 RXFrontEnd 12of18 TVK 1173014 R2 ROA 1173391 RXInlerface l30f18 TVK ”7 3014 R3 RDA 117 339 Synthesizer/ TX Modulator 14 of 18 WK "7 3014 R4 ROA1|7 3391 TX Filters 15 of 18 TVK1173014 R5 ROA117 3391 TXPowerAmplifier 16 oils TVK 117 3014 R6 ROA117 3391 Antenna Inlerface 17 of 18 TVK [17 3014 R7 ROA 117 3391 Voltage Regulators 18 of18 NUI'E: See enclosed envelope mxflmd CONFIDENTIAL for all referenced schematics/drawings‘ ©1998 Ericsson Inc,
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