Motorola Radius CM300 User Manual

VHF 25–45 W Band 2 PCB 8486487Z03-B / Schematics 4-13
NU
DNP
NU
TC7W04F
U301-2
NU
DNP
DNP
MIXER SHIELD
Check if it is 3v or another value
1.8K
R328
22pF
C360
10K
R320
20K
R306
2.4K
R326
12 K
R313
A2
A4
K1
K3
U302
FL303
CFWC455G
3
GND
1
GND
2
4
1
IN
2
OUT
R304
33K
C367
2.7pF
100
R336
33pF
C307
0.1uF
C352
T301
XFMR
4
6
3
1
2
1.2K
R329
C336
6.8pF
30pF
C353
R323
4.7K
0.1uF
C311
C319
0.1uF
U301-3
TC7W04F
R312
13K
TEST_POINT
TP4
1
R316
12K
R302
0
0.1uF
33.47nH
C313
L312
D302
C335
9.1pF
1000pF
C326
C305
0.1uF
15K
R311
C364
8.2pF
20 K
R305
C317
0.1uF
L301
1.2uH
L305
470nH
CR300
R314
12K
R325
3.3K
15K
R309
4.7K
R322
D303
C320
0.1uF
R334
390
3V
R338
51
2
CC1
5
CC2
1
GND1
4
GND2
3
IN
6
OUT
5
RSSIOUT
9
RSSI_FEED
6
VCC
44.85MHz
MXF45
FL300
13
LIM_DEC1
12
LIM_DEC
2
20
MIXOUT
4
OSCI
N
3
OSCOUT
10
QUADI
N
1
RFIN
2
RFIN_DEC
7
AUDIO_FEED
15
GN
D
18
IFAMPI
N
16
IFAMPOUT
19
IFAMP_DEC1
17
IFAMP_DEC
2
14
LIMI
N
11
LIMOU
T
SA616
U300
8
20K
R308
Q302
R307
20K
C310
0.1uF
C308
0.1uF
150nH
L306
0.1uF
C304
C342
82pF
Q305
C314
0.1uF
R319
12K
GND
2
GND1
4
OUT
3
1
IN
Y301
06B09
44.395MH
z
0
R303
L315
27nH
C361
18pF
0.1uF
C315
1
SHIELD
SH302
12K
R315
D301
L313
33.47nH
TC7W04F
U301-
1
R33
1
4
GND2
1
IN
2
OUT
680
FL30
4
CFWC455D
GND1
3
C303
0.1uF
D304
C318
R317
12K
0.1uF
C348
39pF
3.3K
R324
0.1uF
C316
U301-4
PWR_GND
4
GND
8
VCC
TP1
TEST_POINT
1
R340
51
C359
22pF
10u
F
C301
C357
22pF
12K
R318
GND
3
IN
1
OUT
2
6
3
1
2
FLTR
FL301
XFM
R
T300
4
56
0
R332
C322
4700pF
1
C306
0.1u
F
455KHz
Y300
45B02
3
2
1000pF
C327
18pF
C362
470
R301
8.2K
R321
1.2uH
L304
3V
C309
0.1uF
C302
130pF
0.1uF
C312
2
3V
30pF
C356
FLTR
FL302
GND
3
IN
1
OUT
RX_INJ
DEMOD
RSSI
BW_SEL
5V
3
5
6
2
1
7
AUDIOOUT
FROM R337
VHF 2 (146–174 MHz) 25–45 W Receiver Front and Back End (Sht 2 of 2)

Motorola Radius CM300 Specifications

General

Brand	Motorola
Model	Radius CM300
Category	Radio
Language	English