Figure 8-5. Power Amplifier Circuit - Motorola APX 3000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Main Board Block: UHF1 (84012513001_A)
IF1653M16
1 IF FILT_RAW_B+
IN
IF1654M16
TX_7V 1 IF
IN
C1602M16
100PF
C1601M16
IF1651M16 R1653M16
100PF
IF 18
1
IN
L1601M16
15NH
TX_INJ
C1604M16
100PF
R1651M16 R1652M16
300 300
C1605M16
.01UF
R1601M16
U1601M16
9.1K
LMV841
3
IF1652M16
IF
1
1
IN
VC
R1602M16
10K
L1603M16
C1603M16 L1602M16 C1611M16
.01UF 110NH 110NH
C1608M16 .01UF
100PF
U1602M16
SRFIC7126 C1607M16
100PF
16 6
RFOUT
RFIN
1 7
NC5
VCNTRL
14 2
TPVG1
VD1
11 3 C1610M16
TPVG2 L1604M16
G2
5.6PF
3.9NH
8
NC1
9
NC2
10
NC3
15
NC4
C1612M16
100PF
DNP
C1606M16 C1629M16 C1609M16
100PF 3300PF 100PF
4
C1618M16
100PF
C1634M16
.01UF
DNP
23.75NH
C1619M16
15PF
1 2
R1606M16
150
C1613M16 L1605M16 C1616M16
33PF
3.9NH 39PF
1
G
C1614M16 C1633M16
68PF 47PF
DNP
R1605M16
1K
1 2
C1630M16
3300PF
R1604M16
C1615M16 C1617M16
R1603M16
33K
100PF
91K .01UF
DNP
L1606M16
L1609M16
2.55NH
Q1601M16
RD07MUP2B
C1620M16 C1621M16 C1622M16
39PF 15PF 18PF
8-7
C1623M16
1.2PF
DNP
C1625M16
IF1655M16
L1610M16
100PF IF
9NH
1
OUT
PA_OUT
C1624M16 C1628M16
16PF 6.2PF

Figure 8-5. Power Amplifier Circuit