Figure 8-31. Mnus4000A/C/E Transmitter And Automatic Level Control Circuits - Motorola APX 7000 Detailed Service Manual

8-52
DC_RAW_B+
IN
DC_LIN_5V
IN
C1101 C1102
DC_LIN_3V
.01UF 1UF
IN
DC_LIN_5V
DC_LIN_3.3V
R1183
1K
R1184
2.2K
DIG_CTRL_I_LIMIT
IN
R1171 R1172
ANA_CTRL_ISET 0 4.7K
IN
R1160
C1137
12K .022UF
DC_LIN_3.3V
HF_OUT_1
2 TX1
IN
4 TX2
HF_OUT_2
21 TX3
IN
23 TX4
V1_V2
15 V1
14 V2
V3 13
V3
1 NC1
3 NC2
5 NC3
7 NC4
9 NC5
10
DC_LIN_1_875V_D
DC_LIN_5V
IN
U1137
SN74LVC2T45
DIR D2
DIG_SPI_CLK
B2 B1
IN B1 A1
C2 C1
B2 A2
ANA_CTRL_VSET GND
IN
7
6
SYNC
8
DIN
10
VREFIN_VREFOUT
DC_LIN_5V
DC_LIN_1_875V_D
U1138
SN74LVC2T45
DIG_DATA_SPI_MOSI
DIR D2
IN
B2 B1
B1 A1
C2 C1
B2 A2 TX_INH
DIG_CTRL_TX_INH
GND
IN
DC_LIN_1_875V_D
DC_LIN_5V
U1139
DIG_DMCS SN74LVC2T45
U1147
IN
U1146 74LVC1G08YZP
74LVC1G32YZP A1 D2
DIR
A1 C2
B2 B1 A1 B1
C2 B1 C2 C1
B2 A2
B1
GND
DIG_GPIO49
IN
DC_LIN_1_875V_D
TXH
U1147
VCC VCC
74LVC1G08YZP
GND GND
U1146
74LVC1G32YZP
DC_LIN_5V
R1125
47K
3
U1113
1
R1126
20K
DC_LIN_5V
DC_LIN_5V
C1106
.01UF
R1165
200
3
POS
4
U1148
2 1
VOUT
LPV321M7X
U1103
R1127 R1166
LM50
20K 200
3
U1114
1
R1128
10K
LPV321M7X

Figure 8-31. MNUS4000A/C/E Transmitter and Automatic Level Control Circuits

R1103
E1101
DC_LIN_5V
.02
1 2
DC_LIN_5V
DC_LIN_5V
R1169
3
340K
4
U1144
1 U1143
TS5A3159
DC_LIN_5V LPV321M7X
NC
1 NO
R1170
6 IN 4
COM
80.6K
5 V_POS NC 3
GND
C1103
.01UF
R1175
U1101 R1141
0
INA138
510K
VPOS
3 1
VINPOS
4
VINNEG
R1108
GND
82K
C1139
DC_LIN_5V DAC_C
10PF
C1108
.068UF
R1110
3
10K
4
R1158
1
100K DNP
U1141
U1104
LPV321M7X
LPV321M7X
3
4
1
C1135
C1138 .01UF
.022UF DNP
R1104 R1105
100 100
U1102
PE42650
COUPLER_REV
8
RX L1108
11
RES NC 5.45NH COUPLER_THROUGH
28
ANT
COUPLER_FWD
16
NC7 NC
17
NC8
19
NC9
20
NC10
22 C1125
NC11
24 5.6PF
NC12
L1101 C1142
NC13 26
27
NC14 33NH 1000PF
29
NC15
30
NC16
31
NC17
R1106 R1168 C1104
C1118
6.8 100 5.6PF
DC_LIN_5V .01UF
DNP
U1112
HMC468LP3E
13 V1 1
NC1
DC_LIN_5V 14 3
V2
NC2
C1116 15 V3 4
NC3
.1UF 8
NC4
2 RF1 9
NC5
U1125
11 RF2 10
AD5624R NC6
12
NC7
VDD 5 ACG1
1 6 ACG2
SCLK VOUTA
VOUTB 2 7 ACG3
4
VOUTC
R1122 GND
VOUTD 5
75K
C1117
R1121
GND CTGND 3300PF C1126
DAC_C 30K
1000PF
C1128
TXH_5V
DC_LIN_5V .01UF
IO49 R1178
U1126
10K
LMV7275 U1127
R1137
TS5A3159
10K
3 1 NO
4 6 4
IN COM
1 5 V_POS NC 3
GND
C1140 DC_LIN_5V
OUT
4700PF
R1182
10K
C1119
.01UF
R1129
10K
DNP
4
LPV321M7X
R1164
10K
IN
U1121
M74VHC1GT86
1
4
DC_LIN_5V TX_INH
2
C1120
.01UF
DC_LIN_5V
IN
R1130 U1121
10K M74VHC1GT86
DNP
VCC
4
GND
R1167
10K
DC_LIN_5V
R1142
R1138
100K
100K
DC_LIN_5V
U1129
R1146
LMV841 R1144
3 100K
100K
4
1
R1139
100K R1140 3
4
100K
1
U1130
R1143
LMV841
100K
R1145
100K
DC_LIN_3V
C1110 C1113
100PF .01UF
U1106
LTC5532
C1107
L1102
100PF VCC
6.8NH
1
RFIN
4
VM
3
VOS
R1107 R1112
C1105
68 51
5.6PF
DNP
R1114 R1115
100 100
DC_LIN_5V
C1129
.01UF
R1163 R1152
10K 10K
3
4 A1
1 U1131
LMV7275
B1
R1162
150K
DC_LIN_5V
Q1105
1 BFR380F
R1179
DNP C1111
0
.1UF
DC_LIN_5V
U1105
AD8315
1 6
R1124 VPOS NC
NC
2 RFIN 7
51
3 VAPC 4 C1112
ENBL
FLTR
VSET NO 1 6800PF
4 COM IN 6
R1180 R1151
COMM 3 NC V_POS 5
0
TXH_1 15K
GND
C1134
U1140
.01UF
R1181 TS5A3159
100K
DNP
R1161
10K
U1128
C1127 .1UF SN74LVC1G00
C1123
DC_LIN_5V
A1
.01UF
C2
3 B1
R1135 R1136
4
0 10K U1142
1
DC_LIN_5V
C1124 LPV321M7X
4700PF
VCC U1128
GND SN74LVC1G00
FILT_RAW_B+
Q1101
U1119
MUN5212T TX_7V_1
NC7WZ08 2 3
TXH_1 3 OUT
3
22K
5 1
R1102 Q1103
2
100K NTR1P02T1
Q1102 FILT_RAW_B+
U1119
MUN5212T
NC7WZ08
TXH_2 7 3
TX_7V_2
22K 2 3
1 1 OUT
6
Q1104
R1101
NTR1P02T1
100K
DC_LIN_3V
U1119
NC7WZ08
VCC
GND
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/700–800 MHz
DIG_CTRL_ATTH
IN
TXH_1
U1109
NL27WZ32US
1
7
V1_V2
2 TXH_2
DC_LIN_3V DC_LIN_3V
U1123
U1118
U1116 SN74LVC1G00
U1109 U1116
U1117 SN74LVC1G00 A1
NL27WZ32US 74LVC1G32YZP 74LVC1G32YZP
NC7WZ04 A1 C2
A1 C2 B1
VCC VCC
C2 1 6 B1
GND GND B1
DC_LIN_3V DC_LIN_3V
U1123
TXH_2 U1109
SN74LVC1G00
NL27WZ32US
6 VCC VCC
3
GND GND
5
U1118
SN74LVC1G00
5
R1117
75K
R1116
10K
DIG_CTRL_RMTH
13
IN VCTRL
28
INPUT_OUTPUT
1 NC1
4 NC2
5
NC3
6 NC4
7 NC5
8 NC6
9 NC7
10 NC8
14 NC9
15 NC10
C1130
.01UF
DC_LIN_5V
R1174
U1132
PA_OFFSET 10K
7
PR
U1136
2 5
74LVC1G08YZP D Q
NL17SZ74
C2 1 3
CP Q*
6
CLR
R1176
U1133
DC_LIN_5V
1K
TS5A3159
1 NO R1154
6 4 VC
IN COM
10K
5 V_POS NC 3 VC_OFFSET
GND
VCC DC_LIN_5V
C1141
GND .1UF
U1136
74LVC1G08YZP
R1177
0
U1117
NC7WZ04
DIG_CTRL_VR
3 4
IN
RF_RX_DIPLEX_OUT
C1149
100PF
C1122 L1104
2.2PF 0
C1132
6PF
L1103 C1109
DNP
L1114 100PF
4.7NH
11NH
C1150
1.2PF
ANA_RX_FE_FILT_VTUNE
TXH_2 TXH_1
U1110
AS211334
6 1 TL_TX_IN_2
V2 J3
OUT
TL_LO2TX
5 J1 2
GND
IN
4 3
V1
J2 OUT
TL_TX_IN_1
FILT_RAW_B+
OUT
V3
RF_ANT
OUT
DC_LIN_3.3V
U1111
PE42510
VDD ANT2 23
ANT1 2
NC
R1 11
R2 16
17 NC
NC11
NC12 18
19
NC13
NC14 20
NC15 21
RF_AUX
NC16 24
OUT
NC17 26
NC18 29
NC19 31
DC_LIN_5V TXH_2
TS5A3159
U1145
VC_2
NO 1
OUT
4 COM IN 6
V_POS
3 NC 5
GND
VC_1
OUT
DC_LIN_3V
U1117
VCC
NC7WZ04
GND
U1122
AS211334
RX_IN_1
6 1
V2
J3 OUT
5 2
J1
GND
4 3 RX_IN_2
V1
J2 OUT
RF_GPS_DPLEX
OUT
OUT