Motorola Cm Vhf1 136 162mhz Low Power Manual
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Chapter 4 VHF1 PCB/ SCHEMATICS/ PARTS LISTS 1.0 Allocation of Schematics and Circuit Boards 1.1 VHF1 and Controller Circuits The VHF circuits are contained on the printed circuit board (PCB) which also contains the Controller circuits. This Chapter shows the schematics for both the VHF circuits and the Controller circuits. The PCB component layouts and the Parts Lists in this Chapter show both the Controller and VHF circuit components. The VHF and Controller schematics and the related PCB and parts list are shown in the tables below. Table 4-1 VHF1 1-25W Diagrams and Parts Lists PCB : 8486672Z01 Main Board Top Side 8486672Z01 Main Board Bottom SidePage 4-4 Page 4-5 SCHEMATICS Main Circuit Transmitter Synthesiser and VCO Receiver Front and Back End DC and Audio Ccts Microprocessor and Controller Ccts Power Control Cct Page 4-6/Page 4-7 Page 4-8/Page 4-9 Page 4-10/Page 4-11 Page 4-12/Page 4-13 Page 4-14/Page 4-15 Page 4-16/Page 4-17 Page 4-18 Parts List 8486672Z01Page 4-19 Controller version is T1
4-2VHF1 PCB/ SCHEMATICS/ PARTS LISTS THIS PAGE INTENTIONALLY LEFT BLANK
VHF1 1-25W PCB 8486672Z01 / Schematics4-32.0 VHF1 1-25W PCB 8486672Z01 / Schematics 73D02968C63-0 SHEET 1 OF 8 TX_EN TX_INJ9VCOMP_B+ DET_VFWD DET_VRVSFILT_SW_B+ INTEGRATOR PA_BIAS PA_CURRENTPWR_SET RX RX_EN TX_EN TX_INJ 9V FILT_SW_B+ 9V COMP_B+ DET-VFWD DET_VRVS FILT_SW_B+ INTEGRATOR PA_BIAS PA_CURRENTPWR_SET RX RX_EN VHF1 Interconnection between Main Board and Power Amplifier Compartment
4-4VHF1 1-25W PCB 8486672Z01 / Schematics 8486672Z01_REV O C301 C302 C303 C304C305 C306 C307C308 C309 C310 C311 C312 C313 C314 C315 C316 C317 C318 C319 C320 C322 C335 C336 C352 C353 C356C357 C359 C360 C364 C367 C402 C406C411 C414 C418 C490 C602 C603C604 C605 C606 C607C608 C609 C610C611 C612 C613C614 C615C616 C617 C618C619 C620 C621 C622 C623 C624C625 C626 C627 C628 C629 C630C631 C632 C633 C662 C678 C1001 C1004 C1005 C1007 C1008 C1009 C1011C1012 C1013C1014 C1015 C1016C1017 C1018 C1019 C1020C1021 C1022C1023C1024 C1030 C1031 C1033 C1034 C1037 C1039 C1041 C1044C1047 C1049 C1052 C1057C1063 C1064 C1065 C1068 C1069 C1074 C1076 C1082 C1087 C1088C1097 C1098 C1099 C1100 C1104 C1105 C 111 3 C 111 4 C 111 5 C 111 6C 111 7 C 111 8C 111 9C1120 C1122 C1123 C1124 C1125 C2001 C2002C2004 C2012 C2013 C2014 C2016 C2024C2025 C2026 C2027 C2028 C2030C2033 C2036C2052 C2055 C2056 C2057 C2058 C2059 C2061C2062 C2063 C2064 C2066 C2067 C2068 C2069 C2073C2074 C2075 C2077 C2078 C2079 C2080 C2081C5001 C5003 C5005 C5006 C5008 C5010C5011 C5012 C5013 C5014 C5015 C5016 C5018 C5019 C5020C5021 C5022C5023 C5024 C5025C5026 C5027 C5028 C5029 C5030C5032 C5033 C5034 C5035C5038 C5042 C5043 C5044 C5046C5047 C5048 C5050C5051C5052 C5053C5054 C5056 C5057 C5059C5062C5064 C5066 C5068 C5070 C5071C5074 C5076 C5078C5079C5080 C5081 C5087C5088C5089 C5090 C5095 C5096C5100C5101 C5102 C5103 C5110 C 5 111 C5121 CR300 D101 D104 D200 D201 D203 D204 D205 D301D302D303D304 D400 D401 D500 D502 D513 2 3 4 5 6 FL300 2 3 FL301 2 3FL302 4 32 FL303 4 32 FL304J11 L102 L103L104 L105L106 L107 2 1 L 111 2 1 L112L116 L119 L120 L122 L126 L203 L204 L205L206L207L210 L211L213 L214 L215 L301 L304 L315 M1 M3 M6 M9 M100 M101M102 M103M104 M105M106 M107 M108 M109 M110115 2 16 P1 5 2 6 4 3 1 7 8 Q100 Q302 Q305 Q400Q407 Q414 Q415 Q500Q503 1 4 3 2 R101 R102 R105 R106R107 R108 R109 R123 R124 R125 R146 R148 R150 R151R171 R173 R174 R176 R178 R179 R200 R202 R206R208 R211R212R217 R221 R222 R224 R225 R226R228 R232 R233 R234R302 R303 R304R305 R306 R307 R308 R309 R311R312 R313R314 R315 R316 R317R318 R319 R320 R321 R322 R323 R324 R325R326R328 R329 R331 R332R334 R336 R338 R406 R428R429 R430 R431 R439 R440 R441R444 R445 R450 R451 R458R459 R461 R462 R472R473 R601 R602 R610 R5000 R5001 R5009 R5010 R5011 R5019R5021 R5022 R5024 R5031 R5032 R5033 R5034R5038 R5039 R5040 R5043 R5044R5045 R5046 R5047 R5048 R5050 R5052R5053 R5054 R5055 R5056 R5057 R5063R5064 R5065 R5066R5067 R5068 R5070 R5071 R5073 R5074 R5075 R5077 R5079R5080 R5081R5082 R5083 R5084 R5085 R5086 R5087 R5089 RT100 SH200 SH202 TP3 1 16 8 9 U101 1 3725 13 U200 11 1 2010 U300 45 8 U30122 218 7 1 U402 5 2 3 4 U501 1 9 U502 1 4 58U503 137 25 13U504 1 4 5 8 U5051 458 U506 32 1 U508 16 1 8 9 U509 43 1 6 U515 VR101 VR401VR500 VR501 VR504VR693 2 3 Y3004 3 2 Y301 VHF1 (136-162MHz) 1-25W 8486672Z01
VHF1 1-25W PCB 8486672Z01 / Schematics4-5 8486672Z01_REV O C300 C321C323 C324 C325 C326 C327 C328 C329 C330 C331 C332 C333 C334 C337 C338 C339 C340 C341C342 C343 C344C345 C346 C347C348 C349 C350 C351 C354 C355 C361C362C363 C365 C366 C400C401C403 C404 C405 C407 C408 C410 C412 C413 C415 C416 C417 C421 C422 C423 C1000 C1002 C1003 C1006 C1010 C1025 C1027 C1028 C1029 C1032C1035 C1036 C1038 C1040 C1042 C1043 C1045 C1046 C1048 C1050 C1051 C1053 C1054 C1055 C1056 C1058 C1059 C1060C1061 C1062 C1066 C1067 C1070 C1071 C1072C1073 C1075C1077 C1078 C1079 C1080 C1081 C1083 C1084 C1085 C1086 C1089 C1090 C1091C1092 C1093 C1094 C1095 C1101 C1102 C1103 C1106C1107 C1108 C1109 C 111 0 C 111 2 C1121 C1126 C1127C1128 C1129C1130 C1131 C2000 C2003 C2005 C2006 C2007C2008 C2009 C2010 C2011 C2015 C2017 C2018 C2019 C2020 C2021 C2022 C2023 C2029 C2031C2032 C2034 C2035 C2037 C2038C2039 C2040C2041 C2042 C2043 C2044 C2045C2046 C2047 C2048 C2049 C2050 C2051 C2053 C2054 C2060 C2065 C2070 C2071 C2072C2076 C5000 C5002 C5007 C5009 C5017 C5031 C5036 C5037 C5039 C5040 C5041 C5045 C5049C5055 C5058 C5060 C5061 C5063 C5065 C5067 C5069C5072 C5073 C5075 C5077 C5082C5083 C5084 C5085 C5086 C5091C5092C5094 C5097 C5098 C5099 C5104 C5113 C5114 C5115C5116 C5117 C5118 C5119 C5120 CR301 D100 D102 D103 D105 D106 D107 D108 D202 D305 D402 D501 D511 J2 282 29 30 3231 J3L100 L101 L108 L109 L110 2 1L113 2 1 L114 L115 L117 L118L121 L200 L201 L202 L208 L209 L212 L216 L217 L300 L302L303 L305L306 L307 L308 L309 L310 L311 L312 L313L314 L500 L501 L502M 111 M112 M113 M114 P2 Q101 Q102 Q103 1 23 Q105 Q106 Q200 Q300 Q301 Q303 Q304 Q306 Q401 Q403 Q404 Q405 Q408Q409Q410 Q411 Q412 Q413 Q416 Q417 Q501 Q502 Q504 Q505 Q506 R103 R104 R110 R 111 R112R113 R114 R115 R116 R117R118 R119 R120 R121 R122R126R127 R130 R131R132 R134 R135 R136 R137 R138 R139 R140R141 R142 R143 R144R145 R147 R149R153 R155 R156 R157 R158 R159 R160 R161 R162R163 R164R165R166 R167 R168 R169 R170 R172 R175 R177 R180R181 R182 R185R186 R201R203 R204 R205 R207 R209 R210 R213R214 R215 R216 R218 R219 R220 R223 R227 R229R230 R231 R235R300 R301 R310 R327 R330 R333R335 R337 R339 R340 R341 R342 R343 R344 R345 R346 R401 R402 R403R404 R405 R407 R414 R415R421 R422 R423 R424R425 R426 R427 R432 R433R434 R435 R436 R438 R442 R443R453 R454 R455 R456R457 R460 R463R466 R467 R468R469 R470 R471 R600 R603 R604R615 R5002 R5008 R5013 R5014 R5016R5020 R5023 R5025 R5026 R5027 R5028 R5029 R5030 R5035 R5036 R5037 R5041 R5042R5049 R5051 R5058 R5059 R5060R5061R5062 R5069 R5072 R5076R5078 R5088 R5092 R5093 R5094 R5095 R5096 R5097 R5098R5099 R5100 R5101R5102 R5103 6 5 4 3 2 1S5010 SH201SH300 SH301 SH302 6 4 3T300 643 T301 TP1 TP2 TP4 TP150 TP200 TP201 TP400TP401TP402 TP403 TP404 TP405 TP406 TP407 TP408 TP409TP410 TP425TP500 TP555TP556 1 458 U100 1 4 5 8U102 7 814 U103 11 1 2010 U201 U302 1 4 5 8 U400 1 76 5126 U403 32 17 16 1 U404 16 1 8 9 U405 14 5 8U500 14 5 8U507 4 58 U510 U514 VR102 VR400 VR402 VR502VR503 VR692 VR694 VR695VR696 VR697 VR698 VR699 Y200 4 3 2 Y201 VHF1 (136-162MHz) 1-25W 8486672Z01
4-6VHF1 1-25W PCB 8486672Z01 / Schematics Option Board Connector Accessory Connector Control Head Connector28 pins connector TX AUDIO SEND DETECTOR AUDIO SENDTX AUDIO RETURN UNMUTED RX AUDIO SEND POST-LIMITER FLAT TX AUDIO RETURN RX AUDIO RETURN OPTION BOARD ENABLE DATA READY/REQUESTRESET DIGITAL 3.3 VOLT SUPPLY GND VOICE STORAGE INT GND EXTERNAL MIC ANALOG 3 VOLT SUPPLY SERIAL CLOCK SERIAL DATA RETURN SERIAL DATA SEND PUSH TO TALK DISPLAY DRIVER CHIP SELECT NC BACKLIGHT KEYPAD ROW KEYPAD COLUMN DISPLAY_DRIVER_CS_EN SHIFT_REG_CS DISPLAY_DRIVER_COMMAND/DATA_SEL KEYPAD_COLUMN KEYPAD_ROW SCI_PROGRAMMING MIC_PTT HOOK9.3V D3_3V HANDSET_RX_AUDIO MIC_AUDIO INT_SPKR- INT_SPKR+ BOOT/RESET DISPLAY_DRIVER_RESET SPI_CLK GND GND SPI_MOSI Place capacitors near J2Place capacitors near J2 Place capacitors near J2 Place capacitors near J2ELP ONLY NC ELP ONLY NC ELP ONLY DISPLAY_DRIVER_COMMAND/DATA_SEL NC ELP ONLY NC ELP ONLY NC ELP ONLY Internal spkr+ jumper VOICE STORAGE RAC VOICE STORAGE CS VOICE STORAGE GAIN SELECTVOICE STORAGE AUDIO SELECT DNP J3 - DNP DNPDNP DIGITAL Option Board Keypad/DisplayAccessory Connector EXT_ALARM_OUT EXT_MIC_PTT PROG_IN PROG_I/O PROG_I/O PROG_I/O TO DC & AUDIOTO SHEET 2 VOX BATT_SENSE BOOT_EN_IN_CHVS_INT VS_RAC VS_CS VS_AUDIO_SEL VS_GAIN_SEL VSTBYLSIO HSIO DISPLAY_CS_CH COMM_DATA_SEL_CH KEYPAD_COL_CH KEYPAD_ROW_CH SCI_CH OPT_DATA_R_OPBDOPT_EN_OPBD HOOK_CH MIC_PTT_CHRESET SHIFT_R_CS VOL_INDIRECT ONOFF_SENSE EMERGENCY_SENSERX_EN LOC_DIST TX_EN SPI_MOSISPI_CLK SPI_MISO D3_3V FILT_SW_B+ CH_ACT ASFIC_CS SYNTH_LOCKSYNTH_CSRSSI uP_CLKF1200 SQ_DET 220. PROG_O-ACC_C_4 PROG_I-ACC_C_3 PROG_IO-ACC_C_14PROG_I-ACC_C_6 PROG_IO-ACC_C_8 PROG_IO-ACC_C_12 R610 100. 20.0 VR692 9V R615 330.0 R601 C678 100.n 23 J3-26 26J3-25 25 R600 J3-28 28 J3-23 9 0. 18J3-7 7 J3-9 J3-27 27 J3-18 33. VR693 1nC662 C633 1n 1nC632 C631 1n C630 1nC629 1nC628 1nC627 1n 1nC625 C626 C624 1n 1n 1n C623 1nC622 C621 1n 1nC620 C619 1n C618 1n 1n 1nC617 C615 C616 1n 1nC614 C613 1n C612 1n C611 1n C610 1n C609 1n C608 1n 1nC607 1nC606 1n 1nC605 1nC604 C603 1nC602 6 J3-22 22 J3-24 242 J3-4 4 J3-6 3 J3-5 5 J3-2 J3-15 15 J3-1 1 J3-3 J3-11 11 J3-10 10J3-8 8 J3-20 20 J3-16 16 J3-19 19 J3-21 21 12 J3-13 13 J3-14 14J3-17 17 J3-12 20.0 VR692 20.0 VR698 20.0 VR694 20.0 VR699 20.0 VR697VR696 20.0 VR695 G2 20.0J2-2 2 J2-21 G1J2-22 J2-16 16 J2-13 13 J2-17 17 J2-5 5 3 J2-9 9 J2-8 8 J2-1 1 J2-6 6 J2-3 J2-14 14J2-4 4 19 J2-10 10 J2-11 11J2-15 15 J2-20 20 J2-19J2-7 7 J2-18 18 10FILT_SW_B+D3_3V D3_3V J2-12 12 P1-13 13P1-10 P1-7 7 12 P1-14 14 P1-8 8 P1-126 P1-9 9 P1-3 3 P1-6 FILT_SW_B+ P1-4 4 11 P1-15 15P1-5 5 P1-11 16 P1-2 2P1-1 1 P1-16 D3_3V VHF1 (136-162MHz) Main Circuit (Sht 1 of 2)
VHF1 1-25W PCB 8486672Z01 / Schematics4-7 DC Connector DC & AUDIO TO SHEET 1 PEDS FOR GND CONTACTS CONTACTS FOR PA CLIP 73D02968C63-0 SHEET 4 OF 8 9R SPI_MOSISPI_CLK ASFIC_CS RX_AUDIO_RETURN_OPT_BRD CH_ACT 5V uP_CLK F1200 HSIO LSIO 3V VS_MICPWR_SET GND1 9V 5V DET-VFWD 1 GND 1 GND 3V PLTD_HOLE3_5x7_0_TRIMMEDM7 1 GND TP3 TEST_POINT1 FILT_SW_B+ 9V P2-1 1 M110 P2-2 2 D3_3V5V 1M112 GND 16.8MHz3V 5V 9R MOD_IN RX_INJ SPI_CLK SPI_MOSI SYNTH_CS SYNTH_LOCKTX_INJ BOARD HOLES (SOURCE) (SOURCE)(SOURCE) (SOURCE) (SOURCE) (SOURCE) VSTBY SPKR+ MOD_OUT EMERGENCY_ACCES_CONN DET_VRVS PA_CURRENT FILT_SW_B+ HOLES FOR PA SHIELD 9V SPKR- RESET VS_AUDIO_SEL HANDSET_RX_AUDIO_CH MIC_AUDIO_CH TX_AUDIO_SEND_OPT_BRD DETECTOR_AUDIO_SEND_OPT_BRD UNMUTED_RX_AUDIO_SEND_OPT_BRD TX_AUDIO_RETURN_OPT_BRD POST_LIMITER_FLAT_TX_AUDIO_RETURN_OPT_BRD D3_3V 16.8MHz VOL_INDIRECT BATT_SENSE SQ_DET VOX EMERGENCY_SENSE ONOFF_SENSE IGNITION 5V_CH COMP_B+ PA_BIAS PWR_SET B+ BW_SELDEMOD FLAT_TX_AUDIO_INPUT_ACCESS_CONN RX_AUDIO_OUTPUT_ACCESS_CONN EXTERNAL_MIC_AUDIO_ACCESS_CONN FILT_SW_B+ GND1 M102 PLTD_HOLE1_4X1_8 GND1 PLTD_HOLE1_4X1_8M103 M4 PLTD_HOLE3_5x7_0_TRIMMEDGND1 M101 PLTD_HOLE1_4X1_8 1 M106 1 M107 PLTD_HOLE1_4X1_8M104 1 GNDM105 1M108 1 GND1 M109 M3 PLTD_HOLE3_5x7_0GND1 M2 PLTD_HOLE3_5x6_0_TRIMMED 1 PLTD_HOLE3_5x7_0_TRIMMEDM5 1 M111 1 PLTD_NUTM93V DET_VFWD INTEGRATOR 5V 1 M1 PLTD_HOLE3_5x7_0GND1 M8 PLTD_HOLE3_5x7_0_TRIMMED 1VCC 3V 5V 9R9V BW_SEL DEMOD LOC_DIST RSSIRX RX_ENRX_INJ 1 TEST_POINTTP2 M113 1 M114 DET_VRVS FILT_SW_B+ COMP_B+ PA_CURRENT RX TX_INJ 9V RX_EN TX_EN INTEGRATOR PA_BIAS 9R VHF1 (136-162MHz) Main Circuit (Sht 2 of 2)
4-8VHF1 1-25W PCB 8486672Z01 / Schematics 120. R102 10u MRF1513’s Thermal pad DNP DNPDNP (SOURCE) 0.8*25 1.542*4 TO SHEET 2 V_CNTRL DNP DNP 1n 1019447 V_CTRL_PREDRIVERRX_EN RX_EN 9V FILT_SW_B+PA_BIASCOMP_B+ TX_INJ Q10522n 22n1IF110 R182 10.KC1089 1019447 C1039 1 TP150 TEST_POINT L110 12.0n22.K L121 FLT_9V C1069 DNP 1019447 1n 1nC1068 1nC1070 C1029 C1066 100n 1n C1103 33n C1120 33p C1117 47p 33p C1119 C1118 33p C1031 22n L105 68.n L104 68.n L107 4.22n 51.0 R105 51.0R123 R1062.7 1n C1062 C1061 1n FILT_SW_B+_PA 1nC1060 1nC10631nC1037 C1064 C1081 11 0.R130 3 18 4 U103 MC3303 6 5 74 LM2904U102 2 1n C1072 C1065 1n2.7 R125 R124 2.7 R181 47.K C1036 22n FLT_9V R180 47.K R134 47.K R131 100.K HEATSINKM100 1 POS C1038R159 5.6KR186 5.1 1nC1043 22nC1032 1nC1053 5.6K R158 14 VD12 VG1 3 VG2 C1027 8 NC1 9 NC2 10 NC3 15 NC4 16 RFIN6 RFOUT1 7 RFOUT2 1 VCNTRL EP 17 11 G2 4 GND1 5 GND2 12 GND3 13 GND4U101 30C65 56.00p C1014 1n C1044 C1033 22n10nC1104 1n C1042 2.2K R168 R137 2.4K R165 39.K 39.K R136 C1028 100n510. R1702.2K R167 4.7 R122 IF107 L118 220.pL122 C1126 R10913.85n 15.000 220.p C1129 IF1061n C1109 FILT_SW_B+ 1n220.p C1092 C1086 1n1nC1100 L100 C1099 1n 9 10 84 11 22n U103 MC3303 VR101 5.6R127 1. 1.R126 C1040 2.2n R139 39.KR169 FLT_9V 2.2K 2.4K R166 R138 39.K R175 220. R155 10.K Q102 10.K R153Q101 1n C1074 470R171 IF108 300L119 1019447 R173 R174 300C1041 1n R176 100220.p C1112C1110 220.p C1030 22n IF105IF109 1nR147 C1057C1001 C1105 470p1.u R179 36. 36. R178 7.66n L109 27nL106 220.p C1084 IF1041nC1054D100220.p 220.p PA_FILT_B+ C1116 220.p C1000C1115 C1012 56.00p C1015 47.00p 470pC1107 C1106 470p VCNTR1 VCNTR1 VCNTR2VCNTR2 V_CTRL_DRIVER VCNTR3 FILT_SW_B+_PA V_CTRL_DRIVER V_CTRL_PREDRIVER FLT_9VVCNTR3 V_REF_OPAMP VHF1 (136-162MHz) Transmitter (Sht 1 of 2)
VHF1 1-25W PCB 8486672Z01 / Schematics4-9 PWR_SET Final_cur_sense PA_FILT_B+ TX_ENPA_CURRENT FILT_SW_B+_PA TO SHEET 1 73D02968C63-0 DNP DNP DNP DNP DNPDNP DNP DNP DNP Place near both sides of PA shields DNP DNP PA’s Temp. Sensor Coupler width 2.032 7.5 SHEET 2 OF 8 1.2u RX R172 C1013 13.p C1008 120.00p C1004 150.p C1005L126 J11-5 G2 S3 S4GND1 GND2S2 S1 V_forward 10.p C1007C102118.0n L116 C1009 100.p 100.p L115 18.0n 150.p G 56.p D C1121 C1019 V_reverse Final_cur_sense V_REF_OPAMP DET_VFWD INTEGRATOR V_reverse 6.8p DET_VRVS Q100 D103 D104 1 1019447L117 IF113 1IF111 1IF102 IF112IF101 1 IF103 1 J11-4 G1 J11-2 2 IF100 J11-1 1 J11-3 3 R5102Q103 100. 100. R5101220.p C1095 220.p C1130 1nC1091 1nC1080 C1079 1n 1nC1077 56.K 1n R157 C1073 U103 MC3303 114 14 12 13 LM2904 U102 4 87 5 6 C1067 1n 470.0p C1003 C1059 C1002 470.0p R1561n 10.K R116 10.K R185 1nC1058 10.K 22.K R149 C1056 1nR177100.K R112R132 100. 100.K R114 10.K R115 10.K R113 10.K R111 1.K R110 1.K C1055 1n R148 R101 22.K 0. U103 11 4 13 2 120. MC3303 FLT_9V R104 47.0K RT100 L103 1.u5.6K 1nR151 1n C1052 43.K R135 C1051 22.K R145 1nC1050 D1023.3K D108 R1633.3K R162 D107 C1102 100.pR121 100. 100. R120 R143 22.K 22.K 3.3K R142 D106 3.3K R161C1101 R160D105 100.pR119 100. R118 100.22.p C1017 L114 1.20u L113 L108 L112 48.0n 48.0n 48.0n 48.0n 68.p L111 51.000 R108 C1108 51.000 R107C1016 33.p C1006 C1010 100.p 150.p C1011 C1018 16.00p68.p C1023 20.p 6.8pC1022 12.pC1020 R103C1025 4.7p 120.4.7p C1024 C1035 22n10.K Q106R150 470. VR102 5.6 VHF1 (136-162MHz) Transmitter (Sht 2 of 2)
4-10VHF1 1-25W PCB 8486672Z01 / Schematics 4 1 VCON 46 ADAPTSW AVDD20 AUX43 AUX32 AUX21 AUX148 2.7p AGND 22 DVDD36 DGND 6 DATA 3V 3V 7 C2005 CLK 8 CEX 9 CCOMP 42BIAS2 39BIAS1 40 NC1MODOUT41 MODIN 10 C2053 100p 4 1LOCKIOUT43 INDMULT16 IADAPT45 FREFOUT19 PRE_GND 33 PREIN 32 5 PD_VDD PD_GND 44 NC3 31NC2 TP201 TEST_POINT 29 17 SFOUT SFIN 30 SFCAP 26 SFBASE 27 REFSEL 18PVREF 35 PRE_VDD34 VMULT214 VMULT115VCP47 VBPASS 21 TEST238 TEST137 28 100.n U200 FRACN_63A27XTAL224 XTAL123 C2020 100n WARP25 1TP200 TEST_POINT 1 13 VROVMULT411 VMULT312DNP DNP DNP DNP DNP DNP DNP TO SHEET 2 100.n C2080 C2079 C2078 100.n 100.nC2077 0.R205 0.R204 SH200 SHIELD2.2uF 100.K R209 C2049 470p 1nC2035 220p 62.0p C2051 2 GND 4 GND1 3 OUT 1 IN C2054 D202 Y201 14R06 FREQ C2072NC NC 390nHL217 470p C2047 470p C2046 C2045 150.K 470p 200.KR206 R200 4.7uFC2002 1n C2033 0.1uF C20141.5K R224 100p V_SF 5V 5V VCO_MOD C2052470p C2050 Y200 45J68 2 GND 3 OUTVCCR202 16.8MHz0.C2016 0.1uF C2036 1n 2.2uF C2006R225 R228 100. 150. C2048 470pC2027 10nC2026 10n10n C2025 10nC2024 C2023 10n 2.2n C2028 390nHL200 2.2uF C2000C2034 C2001 4.7uF 1n 100.nC2075 100.K2.2uF C2004 R208 C2067 8.2pR229 100.22pC2055 C2015 0.1uF R226 150. R207 150.KC2074 100.n 0.1uF 1.3K R217 C2013 39. R234 1uH L205 100nHL210 6.8pA1 A2 A3 K1 K2 K3 C2068D200 D201 A1 A2 A3 K1 K2 K3 0.1uF C2017 100.K R210 3V 16.8MHZ SYNTH_LOCK SPI_MOSISPI_CLK MOD_IN5V SYNTH_CS VHF1 (136-162MHz) Synthesiser and VCO (Sht 1 of 2)