Motorola CP150TM User Manual
Page 109
VHF (146-174 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486342Z13-C)
7-39
6880309N62-C
June, 2005
100 mV RMS (25KHz)
2.1V When -47 dBm @ antenna
320 mV (RF)
390 mV (RF)
550mV (RF)
290 mV (RF)
0V for 12.5kHz
500mV (RF)
0 V (25KHz)
1 V (12.5KHz)
170 mV (RF)
2.14 V
110 mV (RF)
170 mV (RF)
130 mV (RF)
0.33 V
0 V (12.5 KHz)
5V for 25kHz
490 mV (RF)
50 mV RMS (12.5KHz)
0.62V
1.23V
165mV (RF)
0 V (25 KHz)
2.8V (12.5KHz)
3.39V
3.05V
0.74V
2.8V (25KHz)
0 V (12.5 KHz)
1V (25KHz)
0 V (12.5 KHz)
5V (25KHz)
5 V (12.5 KHz)
0 V (25KHz)
C62
0.1uF
C60
0.1uF
C67
0.1uF
R53
33K
47pF
C74
22pF
1%
1
2
3
5V
C80
D51
3
2
R74
1.2K
CR51
1
C71
IF_DEMOD
R80
0.1uF
1
3
2
5.1K
PBR941
Q51
0.1uF
C69
C73
R52
12K
4700pF
120pF
0.1uF
C63
R82
L53
GND1
3
GND2
4
1 IN
2
OUT
NU
C55
FL54
CFWC455G
5V
0.1uF
1
4.7K
R57
0.1uF
C66
SH52
SHIELD
68pF
9.1pF
1.1%
C53
C61
CC1
5 CC2
1
GND1
4
GND2
3 IN
6
OUT
44.85MHz
MXF45
FL51
2
D52
1
2
3
C91
1K
R81
10uF
U52-1
TC7W04F
1
7
CFWC455E
FL53
GND1
3
4
GND2
IN
1
OUT 2
C57
0.1uF
20K
FLTR
FL52
9180468V04
3
GND
IN
1
OUT 2
R64
130pF
C70
QUADIN
1
RFIN
RFIN_DEC
2
5
RSSIOUT
RSSI_FEED
9
6
VCC
14
LIMIN
LIMOUT
11
13
LIM_DEC1
12
LIM_DEC2
20
MIXOUT
OSCIN
4
3
OSCOUT
10
AUDIOOUT
8
7
AUDIO_FEED
15
GND
1
8
IFAMPIN
16
IFAMPOUT
IFAMP_DEC1
19
17
IFAMP_DEC2
SA616
U51
5V
0.1uF
C56
R67
5V
IF_BAND_SEL
20K
C82
R76
1%
12K
33pF
1
3
2
R60
2.4K
20K
Q70
MMBT3904
R66
R63
C72
0.1uF
39K
NC
C59
2.7pF
R73
1.8K
6
2
5V
IF_RSSI
U52-2
TC7W04F
0.1uF
R91
1.6K
C64
390
R72
0.1uF
NU
C93
3.6pF
C90
R62
3.3K
R61
100K
L81
1.2uH
2%
L54
18pF
1uH
IF_5V
C52
1%
C92
0.1uF
R90
GND
4
GND1
3
OUT
IN
1
51
44.395MHz
TSS2_44_395MHZ
Y51
2
C68
0.1uF
R54
5.1K
C58
3.9pF
3
2
1
PWR_GND
U52-4
GND
4
VCC
8
45B02
Y70
455KHz
0.1uF
C65
R75
12K
SH50
SHIELD
1
R55
330
C81
1%
33pF
R65
IF_IN
39K
680
R78
R77
1%
8.2K
TC7W04F
U52-3
3
5
BW_SEL
5V
IF_IN
RSSI
DEMOD
Figure 7-41. VHF (146-174 MHz) Receiver Back End Schematic Diagram (8486342Z13-C)