8-9 VHF 15W PA BOARD SCHEMATIC (PAGE 4 OF 4)
VHF 15W PA BOARD LAYOUT TOP VIEW 8-17
VHF 15W PA BOARD LAYOUT BOTTOM VIEW 8-17
SW_VD1_6 Digital Signal Processor (DSP) SW_VD3_3 Digital Signal Processor (DSP) R692 4.7K R693 4.
4 SW_VA5_0 R686 100K 3 2 13 OPA4340 C327 - - 2 R689 100K 1 .01uF U84A 15 14 U84D OPA4340 16 R746 0 R699 10K 1 5 + 6 - OPA4340 U83B OPA4340 7 ADSIC_SDO 12 R747 0 4 + R690 100K SW_VA1_6 + 3 + R688 51K - C326 .01uF 12 CODEC_IN - U87A + 13 R687 100K + U83C OPA4340 C352 .1uF R691 100K SW_VA5_0 R700 10K C353 .1uF 12 + 11 - 10 TXMOD1 13 SW_VD3_3 SW_VA5_0 SW_VD3_3 CODEC 4 13 2 + SW_VA3_3 1 OPA4340 AUX_IN C355 R2 13 TX_AUD_IN C354 .1uF .
SEM Module 14,15 20MHz 12 3,14 USEM_CLKX 3,14 USEM_DX 3,14 USEM_FSX 3,14 USEM_DR 3,14 USEM_CLKR 3,14 USEM_FSR 1 2 3 4 5 6 CLKR1 DR1 FSR1 DX1 CLKX1 FSX1 11 RESET 26 27 28 29 GND GND GND GND IO7_IRQ IO6_KEY GND 22 23 R753 10K 13 14 15 16 17 R752 10K A1 GND GND GND GND GND 4,6,7,8,9,14 nHRESET 20Mhz ClK SW_VD1_6 1.6VDC 1.6VDC 21 20 3.3VDC 3.
SW_VD5_0 SW_VD3_3 SW_VD5_0 Regulator TP64 C64 0.1uF U42 8 7 5 6 REG113EA/A PWR_GOOD 8 SW_VA3_3 Regulator SW_VD5_0 SW_VA3_3 U86 2 1 5 6 VIN EN GND1 GND2 VOUT NR GND4 GND3 3 4 8 7 C350 .01uF REG113EA-3.3 PORESET 7,14 nHRESET 4,5,7,8,9,14 nSRESET 5,7 LT1727/A C351 2.2uF C66 VCC3 COMP3 VCC5/25 COMP5/25 VCCA COMPA GND RST VOUT NR GND4 GND3 C65 1 2 3 4 VIN EN GND1 GND2 3 4 8 7 2.2uF R226 10K 2 1 5 6 0.01uF Power Supply Monitor R225 10K R224 10K R1 10K SW_VA5_0 U11 SW_7.
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF 0.
3,10 EB_A[9:31] 3,9,10 EB_D[0:15] 3,7 EB_nOE 3,7 EB_R/nW 512K x 16 SRAM 256K x 16 SRAM U71 U20 EB_D7 EB_D6 EB_D5 EB_D4 EB_D3 EB_D2 EB_D1 EB_D0 EB_D15 EB_D14 EB_D13 EB_D12 EB_D11 EB_D10 EB_D9 EB_D8 4,5,6,7,9,14 nHRESET 8M x 8 Flash Memory EB_A9 U21 R98 3,7 EB_WE0 7 EB_CS0 10K R99 SW_VD3_3 10K DQ0 A0 DQ1 A1 DQ2 A2 DQ3 A3 DQ4 A4 DQ5 A5 DQ6 A6 DQ7 A7 DQ8 A8 DQ9 A9 DQ10 A10 A11 DQ11 DQ12 A12 DQ13 A13 DQ14 A14 DQ15/A-1 A15 NC1 A16 NC2 A17 A18 NC3 A19 NC4 A20 NC5 NC6 NC11 NC12 NC7 NC13 A21 NC14 NC9 N
SW_VD3_3 SW_VD3_3 GND SW_VD3_3 0.01uF GND R103 100K R104 100K R105 220K R106 220K R107 1K R108 220K R109 2K R110 4.7K R111 2K R113 220K R112 2K R114 4.7K R115 220K R117 220K R118 220K R119 220K R120 220K R122 220K R121 220K Not Populated GND 3,7 nHRDY 7 UPWAITB R123 220K R124 220K R125 220K R126 220K R127 220K R128 220K R129 220K R130 220K R131 220K R132 4.7K Not Populated R102 4.7K Not Populated R101 4.
L15 PPC_D[0:15] EB_D[0:15] INDUCTOR FERRITE L16 PPC_D0 L17 PPC_D1 L18 L19 EB_D3 INDUCTOR FERRITE L20 L21 EB_D5 INDUCTOR FERRITE L22 L23 L24 L26 74HC574 1 2 3 4 5 6 7 8 9 10 OE D0 D1 D2 D3 D4 D5 D6 D7 GND VCC Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 CP 20 19 18 17 16 15 14 13 12 11 HLD_PWR 13 L_ADD0 L_ADD1 L_ADD2 L_DATA 13 13 13 13 XMIT 13 EB_CS6 7 74HC574 GND EB_D8 SW_VD5_0 SW_VD5_0 EB_D10 R395 10K EB_D11 INDUCTOR FERRITE L28 L29 RFPA_SEL 13 EB_CS7 7 INDUCTOR FERRITE PPC_D12 PPC_D13 EB_D
RS-232 Bus Transceiver RS-232 Bus TransceiverSW_VD3_3 C196 0.1uF C198 0.1uF Analog Switch GND 3 U73 4 COM CS GND 6 4 2 NO NC VCC C1+ C1- 5 6 C2+ C2- 11 T1IN 1 VCC V+ VT1OUT 9 R1OUT 1 EN 12 INVALID FORCEON FORCEOFF GND NLAS4599/A 14 GND 5 SW_VD3_3 R1IN C315 15 2 4 C1+ C1- 5 6 C2+ C2- 7 PPC_RTS 11 T1IN 7 PPC_CTS 9 GND C197 0.1uF 3 C313 0.1uF C199 0.1uF 7 13 8 1 10 SW_VD3_3 12 16 14 MAX3221EAE GND 0.
220K R261 Transmit Audio Processing 470pF C233 220pF 100K 14 13 MC3303 + 12 U49C 4053 13 R271 150K 12 R683 68K 9 MC3303 + 10 8 C236 .1uF C235 .1uF 4053 4 1 5 PWR GND MC3303 R266 R265 + 3 6.8K C267 J6_2 J1_1 Rx Audio In TP33 15 4 ADSIC_SDO U56C R276 C268 2 10 R277 6 MC3303 5 + 7 J5_3 13 GND RX_FILTERED_OUT 330 U49B 6.
J9 SCLK nLOCK_DET R318 10 BUSY J9_5 Q9 L_ADD1 10 TP55 J9_8 12 L56 J9_11 Q10 10 AUX_1 TP58 L_ADD2 10 J9_14 GND R325 Q11 R326 OUTPUT_A 10 RF_CLK 3 RF_DATA 3 3 RF_FS 10K RF_D_SEL 7 MISO 5,7,14 MOSI 5,7,14 L_WRSTB 7 10K J9_27 J9_28 GND R333 TXMOD1 TXMOD2 TP63 TP61 7 GND 15 J5_3 12 J5_4 12 J5_5 12 J5_6 Q18 F1 10 16 3 TX_AUD_IN 4 D3 GND U67 SW_VA5_0 TP62 8 R370 7 PA_Thermal R353 J9_11 1 2 3 4 U66B TP39 VCC CLK DOUT CS 8 7 6 5 10K R372 100K R373 33.
SW_VD5_0 R18 SW_VD5_0 SW_VA5_0 12 Vref 5 C13 3 + + R39 4 .1uF 2 J5_7 47K VCC 4 7 UCM_IRQ U4 5 Ext Mic In 100K U27 NC GND - 1 2 3 TC7S14F-TE85L 1 EXT_MIC_IN2 GND 13 OPA340 To UCM Encryption Module GND GND R38 47K J2 4 R40 620 BAS16TT1 CR3 SW_7.2 6 5 4,5,6,7,8,9 nHRESET MODULE_TX_DATA RESET R41 620 MODULE_RX_DATA U26B 74ACT125 C14 .1uF SW_7.2 SW_7.
