Motorola CP040 - Page 447

UHF3 PCB 8416846H01-A/-B Schematic Diagrams 3-57
0.74V
1.5V
2.1V When -47 dBm @ antenna
5V for 25kHz
0V for 12.5kHz
3.39V
3.05V
C64
IF_IN
0.1uF
C70
130pF
4
NICSO
TUOCSO
3
NIDAUQ
01
NIF
R
1
2
CED_NI
F
R
TUOISSR
5
9
DEEF_ISSR
VCC
6
TUOPMAFI
61 91
1
CED
_
P
MA
FI
2CED_PMAFI
71
NIMIL
41
11
TUOMIL
1CED_MIL
31
2CED_MIL
21
T
U
OXIM
02
U51
SA616
8
TUOOIDUA
DEEF_OIDUA
7
GND
15
NIPMAFI
81
R62
8.2K
1%
R77
3.3K
IF_BAND_SEL
U52-3
TC7W04F
35
5V
IF_5V
0.1uF
C92
0.1uF
C68
1
3
2
6.2K
R54
MMBT3904
Q70
3
21
C74
47pF
455KHz
Y70
45B02
R66
1.8K
R73
20K
4
GND
8
VCC
0.1uF
C72
SHIELD
SH50
1
U52-4
PWR_GND
1.6K
R91
IF_RSSI
39K
C63
0.1uF
R65
L53
100K
R61
120pF
C52
5V
22pF
44.395MHz
DNG
2
1DNG
4
OUT
3
1
IN
1
DNG
1
2
DNG
4
IN
3
OUT
6
5V
Y51
TSS2_44_395MHZ
FL51
MXF45
44.85MHz
CC1
2
CC2
5
3.9pF
C58
CR51
1
3
2
C91
10uF
R75
C65
0.1uF
C69
0.1uF
12K
0.1uF
C57
R64
330
R55
20K
33pF
1%
C81
CFWC455G
FL54
3
1DNG
4
2DNG
IN
1
OUT
2
C55
0.1uF
C62
R78
680
0.1uF
0.1uF
C60
20K
0.1uF
C67
R76
R67
12K
1%
R60
C61
68pF
2.4K
C80
C66
0.1uF
1%
22pF
C59
R63
39K
NC
2.7pF
1.2K
R74
7
TC7W04F
U52-2
62
5V
TC7W04F
U52-1
1
R80
5.1K
NU
R72
390
3.6pF
C93
0.1uF
C90
R82
NU
L54
2%
1.2uH
L81
1uH
5V
C56
0.1uF
R57
4.7K
51
SHIELD
SH52
1
R90
33K
R53
1
2
3
C82
1%
36pF
D51
C53
1.1%
9.1pF
IF_DEMOD
C71
0.1uF
1
2
3
R81
1K
D52
12K
R52
2
OUT
C73
4700pF
9180468V05
FL52
CFUCJ455E
DN
G
3
1
IN
FL53
CFWC455E
3
1DNG
2DNG
4
1
IN
2
OUT
Q51
PBR941
1
3
2
BW_SEL
5V
IF_IN
RSSI
DEMOD
UHF3 (490-527 MHz) Receiver Back End Schematic Diagram PCB No. 8416846H01-A/-B