
Schematic Diagrams, Overlays, and Parts Lists
: UHF Band 1: Circuit Board/Schematic Diagrams and Parts List (PCB 8415234H09)
R301
100K
C
R302
3.6pF
C
301
3.9pF
C
303
C
302
10pF
13.9
n
H
L301
R302
100K
L302
13.9
n
H
C
R301
RX_IN
RXFE B
otto
m Sh
i
eld
RXFE T
o
p Sh
i
eld
RX M
i
xer D
io
d Sh
i
eld
1
SHIELD
SH301
SH304
SHIELD
1
SHIELD
SH302
1
M
i
xer Sh
i
eld
1
SH303
SHIELD
C
305
20pF
C
308
100pF
C
307
100pF
9.1pF
C
304
2
3
1
C
R303
R340
9.1K
22
n
H
L303
C
309
100pF
1
3
2
Q301
R303
2.2K
0
R328
C
321
100pF
510
R305
12K
R304
0.1
u
F
C
314
180
n
H
L304
C
310
100pF
C
315
100pF
R5
NU
C
306
22
n
H
L305
6.8pF
C
312
NU
C
311
L307
13.9
n
H
9.1pF
C
317
L306
13.9
n
H
C
313
10pF
C
R305
C
R304
100K
R306
R307
100K
3.9pF
C
316
7.5pF
C
318
100K
R342
C
380
.01
u
F
C
391
24pF
DA
C
Rx
R329
0
NU
R348
3.6K
C
381
TP302
T301
4
6
3
1
2
XFMR
NU
R308
51
R309
0
R310
150
n
H
L310
C
322
82pF
IF
2
3
4
1
C
R306
3
2
T302
XFMR
4
61
V
C
OBUF
100pF
C
375
1pF
C
319
16.28
n
H
L309
6.2pF
C
320
NU
NU
0
R349
C
373
100pF
C
374
C
378
NU
R333
Q310
3
2
180
n
H
L321
NU
100pF
C
386
C
371
C
372
100pF
4.7pF
C
370
4.3K
R339
1
240
R331
R330
10K
R332
12K
RX_INJ
R5
Figure 4-30:
UHF Receiver Front End Schematic Diagram: PCB No. 8415234H09
Содержание PR860
Страница 1: ...PR860 Two Way Portable Radio Detailed Service Manual ...
Страница 2: ......
Страница 5: ...iv Notes ...
Страница 9: ...viii Table of Contents Notes ...
Страница 13: ...Notes xii List of Figures ...
Страница 17: ...1 4 Introduction Radio Model Information Notes ...
Страница 51: ...2 34 Theory of Operation Voltage Control Oscillators VCO Notes ...
Страница 81: ...4 4 Schematic Diagrams Overlays and Parts Lists Flex Layout Notes ...
Страница 193: ...4 116 Schematic Diagrams Overlays and Parts Lists Low Band Section Notes ...
Страница 196: ......