Figure 8-5. Nuf3577 700-800 Mhz Transmitter And Automatic Level Control Circuits - Motorola ASTRO XTS 5000 Detailed Service Manual

Schematics, Board Overlays, and Parts Lists: Transceiver (RF) Boards
6881094C31-D
V3D V5A TXB+ RAWB+
RAWB+
TXB+
V5A
V3D
TXINH
RXH
TX7V RAWB+
C102
C104
.01uF .01uF
L104 L103
100nH 100nH
C106
L105
16 6
RFIN
RFOUT1
TXRF
1 7
VCNTRL
RFOUT2 3.3nH
33pF
14 2
VD1
VG1
11 G2 3
VG2
U102
30C65
8
L109 NC1
10nH 9
NC2
10
NC3
C113
C114
15 NC4
.01uF
100pF
C116
10pF
Vgate
SPCK
ADCS
MOSI
RSTL
USEL
RXH
TP111
TX7V
R111
100K
E105
TP104
BK1005HM471
R115
Q108
BCW60B
1K
C125 D104
.01uF
NC
MMBD7000
V3D
MUN5111T1
TXB+ TXB+ TX7V V5A
Q101
R101
Q106 100K
Q102
MUN5111T1
MUN5212T1
Q103
MGSF1P02LT1
RAWB+ E101
88Z01
C136 L101
1uF 59.71nH
C107 C109 C108
2
39pF 6.2pF 12pF
Q107
C110
L106
L107
6.2pF 5.6nH
1.5nH
R105 L108
C115 100nH
.01uF 15K
C117
R106
33pF
10K
C126
V5A
.01uF
C138
1
U106
.01uF
LMC7101BIM5X
Q109
BCW60B
U103 2
VOUT R130
LM50
100K
TP101
TXB+
NC
C121
TXB+
33pF
C122 1 24
RFIN VAR3 NC
2200pF 2 23
R117
NC T1 RX
3 22
10
CI NA NC
4 21
INT U104 RS
5 20
H99S4
CJ VAR1
6 5185765B26 19
VL VLIM TP119
7 18
CL VAR2
8 17
GND1 V5EXT
C123 C124
100pF 100pF
Not placed
C133
.01uF
NC
TXB+
2200pF C127 C131 C130
C128 2200pF 1uF 0.1uF
Figure 8-5. NUF3577 700–800 MHz Transmitter and Automatic Level Control Circuits
Q104
MGSF1P02LT1
R118 R119
C101
100 100
0.1uF
B1
PORTB1 PORTB2
C103
PORT1 PORT2
1
10 by
33pF
A2
100 mil
PORTA2 PORTA1
C137
(2 PLS)
15pF
C111 C112
1.8pF 3.3pF
R120
100
R126 R127
10K 10K
V3D
D101
FWD
K2 A1
R128 NC NC2 NC1 NC
2 4
C118
R107 A2 K1
10K 33pF
3 4.7K
5
R129
D102
10K
RVS A1 1
6 K2
5 2
NC NC2 NC1 NC
4 3
C119
A2 K1
R108
33pF
4.7K
MBD330DWT1
V3D
C120
.01uF
SPCK 3
CLK_IO
16 DATA_OUT 1
ADCS
CS
MOSI 15
REFPOS
V3D 14 4
REFNEG EOC NC
2
DATD_IN
R114
13
FS
R113 100K 12
INV_CLK
R112 100K 10
CSTART
100K
FWD 6
U105
A0
TLV1544I
RVS 7
A1
Vtmp 8
A2
9
NC A3
var1 R131
var2 R132
10K
10K
63B81095C46-0
8-7
TX5V
U101
33C24
B2
2
POUT
A1
R121
100
220
R109
R103
100
220
R110
R104
100
MISO
DAC1
DAC2
July 21, 2004