Figure 5-8. 200 Mhz Receiver I-F Schematic Diagram - Motorola HT1250-LS+ Service Manual

5-10
FL3201
MXF45
44.85MHz
3 IN
IF
2 CC1
5 CC2
C3281
24pF
C3230
12pF
R3240
22 22
1
SWB+
VIN
3
ON_OFF*
C3237 C3236
1uF 10pF
1u F

Figure 5-8. 200 MHz Receiver I-F Schematic Diagram

5V
R3220
1.8K
C3220
0.1uF
R3221
330
R3222
33K
C3222
C3221
R3223
4.7K
0.1uF 3.9pF
C3224
OUT 6
Q3200
0.1uF
PBR941
3
C3226
R3224
1pF
12K
CR3200
MMBD353
2 1
U3201
LP2980
LP298 0
5
G 3.3V
VOUT
4
NC NC
C3235
4.7uF
4. 7u F
1
C3225 L3202
2.7pF 1.2uH
2%
R3225
4.7K
5V
R3202
51
R3203
C3206 C3207
NU 0.1uF 10uF
44.395MHz
R3205
3 1
OUT IN
0
C3209
33pF
C3210
NU
Y3200
C3211
C3212 06B09
30pF
NU
L3200
NU
Schematic Diagrams, Overlays, and Parts Lists
FL3204
CFUCJ455F
IN OUT 2
FL3206
CFWC455G
2 OUT IN 1
R3201
2.4K
C3202
0.1uF
R3135
C3203 1.2K
0.1uF
6 U3101 15
VCC GND
SA616
C3204
0.1uF
R3206
15K
C3213
0.1uF
R3208
10K
C3214
0.1uF
R3209
12K
C3215
0.1uF
R3210
680
R3200
C3200
0.1uF
3.3K
C3201
NU
3
45B02
Y3102
455KHz
C3205
0.1uF
C3208
130pF
5V
R3216
390
Q3211
MMBT3904
R3215
1.8K
C3216
C3217
4700pF
0.1uF
DEMOD
R3211
RSSI
12K