Figure 7-4. Vhf (136-162 Mhz) Receiver Front End Schematic Diagram (8486769Z02-A) - Motorola CP150 Service Manual

7-6
128 mV (RF)
C2 L1
43pF 68nH
RX_IN
FE_RF_IN
C1
27pF

Figure 7-4. VHF (136-162 MHz) Receiver Front End Schematic Diagram (8486769Z02-A)

June, 2005
5R
FE_5R
Q22
UMT1
2
3.38V (Rx)
C20
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
5.0V (Rx)
0V (Tx)
R20
6.8K
1% C26
R21
1000pF
3.95V (Rx)
100
1 4
5
3.95V (Rx)
6 3
C25
L22
1000pF
100nH
2.0V (Rx)
R23
C99
22K R22
0.1uF
6.8K
3.9V (Rx)
700mV (RF)
C29 C31 L31 C33
R24 10pF 36pF 68nH 27pF
750
C23
C22
1000pF
3
1000pF
0.74V (Rx)
1
C30 C32
30pF 68pF
125 mV (RF)
2
Q21
BFS540
R25
L21 C24
5.6K
NU NU
705mV (RF)
C41 L40
15pF 68nH
RX_INJ
FE_RF_INJ
C40 C42
20pF 36pF
VHF (136-162 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486769Z02-A)
L52
560nH
R51
51
L51
150nH
L32
C35 L33
68nH
33pF 68nH
485mV (RF)
4 3
2
6 1
C34 C36
68pF 30pF
RF BALUN
5
T41 NC NC
IO1
IO3
3
4
3
IO2
2
L41 C43 445mV (RF)
68nH 15pF
6 1
IF BALUN 5
T42 NC NC
R40
C44
1K
20pF
1
TP1
TP2
1
500mV (RF)
IF_OUT
FE_IF_OUT
C51
82pF
1
IO4
4
2
CR41
HSMS2829
6880309N62-C