Txu-Tx Power Amplifier Schematic Diagram - Motorola MTP700 Detailed Service Manual

TRANSCEIVER 400 MHz
PA_IN_TXPA
PA_IN
L4003
270nH
R4010
33
C4001
.022uF
C4005
330pF
SWB+_RF
SWB+
5V_RF
5V_RF
5V_RF
VBLIN_TXPA
VBLIN
PA_TEMP_TXPA
PA_TEMP
C4003
180pF
PA_TEMP_RETURN_TXPA
PA_TEMP_RETURN
L4011 C4050 L4006
C4013
100nH 180pF 68nH 330pF
C4006
R4002 .022uF
200
C4009 C4019
15pF 270pF
16 6
RFIN RFOUT1
1 7
VCNTRL RFOUT2
14 2
VD1 VG1
11 3
G2 VG2
L4007 C4015
U4001
12nH 12pF
30C65
8
NC1
9
NC2
10
NC3
15
NC4
C4007 C4008 C4012 C4014
.022uF 330pF .022uF 330pF
L4005
270nH
R4003 C4011
22K 0.1uF
R4001
U4002
10K
LMC7101BI
4 2
R4006
1
3
5 200
C4021 R4012
1000pF 22K
SH4001 SH4002
SHIELD SHIELD
RT4001
47K 1 1
MTP700 Portable Radio / Detailed Service Manual
C4035 C4036 C4037
100uF 100uF 100uF
C4022
180pF
R4016
200
C4020
180pF
Q4001
L4008
ustrip
5.6nH R4008
2
C4043 C4051 C4042
R4005 R4004
27pF 56pF 27pF
33 33
NU
C4052
C4018
180pF 0.1uF
5V_RF
L4100
270nH
R4101
C4100
180pF
0
U4100
R4100
10K LMC7101BI
4 2
NU 1
3
5
R4102
10K
NU
R4009
10
E4002
FBMH3216HM
L4009 C4026 C4030
18nH 180pF 1uF
ustrip ustrip ustrip
C4028 C4024 C4031
47pF 27pF 27pF
NU
1
M4001
POS
HEATSINK
R4007
100
R4018
10K
U4102
8
H
7
W
1
L
MAX5401

TXU-TX Power Amplifier Schematic Diagram

4.1 - 49
RAW_B+_TXPA
RAW_B+
L4010
5.6nH
PA_OUT_TXPA
PA_OUT
C4033
10pF
Q4100
PA_BIAS
PA_BIAS
V4_2.775V
C4101
0.1uF
5
SPIA_CLK
CLK_S
3
SPIA_CS_PA_BIAS
EN_CS
4
SPIA_MOSI
DIN