Figure 9-6. Uhf Transceiver (Rf) Receiver Front End Circuit - Motorola ASTRO XTSTM 4000 Detailed Service Manual

Schematics, Board Overlays, and Parts Lists – UHF: Transceiver (RF) Section
DAC2
R401
1K
C420
4.7uF
2113946D07
C418
0.1uF
2113946B04
R411
5.6K
C413
1.0pF
D411
4815096H01
L410
150nH
2415429H39
C412
C411
12pF
10pF
2115153H35
L413
18.9nH
2416201H02
C410
3.3pF
2115153H15
RXIN
C419
22pF
2115153H41
MX_IN
L470
1.5nH
2414017P03
C470
NP
L471
C477
27nH
100pF
2414017P18
LOIN
C476
2pF
2113944M01
6871620L01-C
V5R
V5R
R412
5.6K
0613952Q91
C414
1.0pF
C456
2115153H03
0.1uF
2113946B04
D413
R431
4815096H01
2.2K
R433
0613952Q81
2.2K
C415 C417
12pF 10pF
2115153H35
2115153H27
R421
6.2K
C483
C432
4.7uF NP 0613952Q92
8.2pF
2113946D07 2113944A23
L412
18.9nH
2416201H02
R432
R482
0 680
C457
0613952R66 0613952Q69
0.1uF
2113946B04
C484
C416
20pF
3.3pF
2113944A80
2115153H15
L480
22nH
2414017P17
V5R L474
220nH
2415429H43
C480
100pF
XFMR
T470
C472
NC
100pF
5
2113944A40
1 3
C471
2
6.8pF
2113944A21
6 4
C473
100pF R470 C474 C475
4.7uF
2113944A40 75 .01uF
0613952Q46 2113945B02 2113946D07
V5R
L431
100nH
2414017P25
R451
5.6K
C422
1.0pF
2115153H03
R434
750
0613952Q70
D451
C421
C430
7pF 12pF
C434
2115153H31 2115153H35
56pF
L432
10nH
2414017P13
C436
7.5pF
Q430
BFS520
4805585Q19
C426
3.3pF
L481
2115153H15
22nH
2414017P17
C479
0.1uF
2113946B04
U470
T471
MX2072A
XFMR
8 3
IFN
4 9
RFN IFP
5 12 4
RFP BBP
2 2
BDIV
10 3 6
LOIN NC1
6
NC2
7 1
NC3
C481 C482
.01uF .01uF
C429
0.1uF
R452
5.6K
C423
1.0pF
2115153H03
L450
150nH D453
C425
7pF
C424
2115153H31
12pF
2115153H35
L451 L452
18.9nH
18.9nH
C427
3.3pF
2115153H15
C428
22pF
2115153H41
L490
680nH
2414017K33
1 4
IN OUT
FL490
TS3-73E01
L492 C490
420nH 5.6pF
2471851L18 2115153H21

Figure 9-6. UHF Transceiver (RF) Receiver Front End Circuit

9-7
R471 0
0613952G67
RXIF
C493
3.6pF
2115153H16
May 28, 2008