Figure 7-16. Vhf (136-162 Mhz) Receiver Front End Schematic Diagram (8486769Z04-C) - Motorola CP150 Service Manual

7-22
1000pF
C4 C6
C5 L4 C8
18pF 22pF R26
3.3pF 68nH 30pF
0
3
C3 L2 L3 C7 C9
47pF 68nH 68nH 33pF
NU
1 2
CR1
MMBD352
SH1 SH40
SHIELD SHIELD
1 1

Figure 7-16. VHF (136-162 MHz) Receiver Front End Schematic Diagram (8486769Z04-C)

June, 2005
C20
R23
C99
22K R22
0.1uF
6.8K
3.9V (Rx)
700mV (RF)
C29 C31 L31
R24 10pF 36pF 68nH
750
C23
C22
1000pF
3
1000pF
0.74V (Rx)
1
C30 C32
30pF 68pF
125 mV (RF)
2
Q21
BFS540
L21 R25
C24
5.6K
NU
NU
705mV (RF)
C41
15pF
RX_INJ
FE_RF_INJ
C40
20pF
L51
150nH
L32
C33 C35 L33
68nH
27pF 33pF 68nH
485mV (RF)
4 3
2
6 1
C34 C36
68pF 30pF
RF BALUN
5
T41 NC NC
4 3
L40 L41 C43 445mV (RF) 2
68nH 68nH 15pF
6 1
IF BALUN 5
T42 NC NC
R40
C42 C44
1K
36pF 20pF
1
TP1
TP2
1
VHF 136-162 MHz Schematic Diagrams, Overlays, and Parts Lists (8486769Z04-C)
C51
82pF
1
IO1
IO3 IO4
3
4
IO2
2
CR41
HSMS2829
6880309N62-C