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

5-10 Schematic Diagrams, Overlays, and Parts Lists
G
NU
NU
NU
NU
NU
R3220
1.8K
0.1uF
C3203
C3213
5V
5V
0.1uF
4700pF
C3216
R3206
2.4K
R3201
15K
0
R3205
12pF
C3230
2
3
1
51
R3202
MMBD353
CR3200
0.1uF
C3220
1pF
C3226
12K
3.9pF
R3211
0.1uF
C3222
MMBT3904
C3206
2.7pF
Q3211
1.2uH
2%
L3202C3225
C3236
10pF
22
DEMOD
R3240
22
C3202
0.1uF
4.7uF
C3235
4.7uF
R3221
330
GND
2
4
NCON_OFF*
3
VIN
1
VOUT
5
NC
LP2980
LP2980
U3201
3.3K
R3200
C3214
0.1uF
10uF
C3207
680
R3210
C3237
1uF
1uF
GND
3
IN
1
OUT
2
0.1uF
C3200
CFUCJ455F
FL3204
R3209
12K
GND2
4
IN
3
OUT
6
R3208
10K
FL3201
MXF45
44.85MHz
CC1
2
CC2
5
GND1
1
C3209
33pF
Y3102
455KHz
3
21
5V
R3135
1.2K 45B02
RSSI
C3201
30pF
R3224
12K
C3221
C3211
2
GND
4
GND1
3
OUT IN
1
0.1uF
3.3V
44.395MHz
06B09
Y3200
C3215
0.1uF
24pF
IF
C3281
0.1uF
PBR941
Q3200
C3204
C3217
0.1uF
L3200
C3224
0.1uF
C3212
R3203
C3210
4.7K
R3225
0.1uF
C3205
130pF
C3208
GND2
4
1
IN
2
OUT
FL3206
CFWC455G
3
GND1
R3215
1.8K
390
R3216
OSCIN
3
OSCOUT
10
QUADIN
1
RFIN
2
RFIN_DEC
5
RSSIOUT
9
RSSI_FEED
6
VCC
IFAMPOUT
19
IFAMP_DEC1
17
IFAMP_DEC2
LIMIN
14
11
LIMOUT
13
LIM_DEC1
12
LIM_DEC2
20
MIXOUT
4
SA616
8
AUDIOOUT
7
AUDIO_FEED
GND
15
18
IFAMPIN
16
R3223
4.7K
U3101
R3222
33K
SWB+
Figure 5-8. 200 MHz Receiver I-F Schematic Diagram