Figure 9.2-17. Pmle2537A/ Pmle2537D/ Pmle2537F/ Pmle2537G Receiver Schematic - Sheet 3 Of 4 - Motorola XTS 2500 Service Manual

9.2-18
R420
XCVR_5V
L413
IF
330nH
C449
8.2pF
DIG_3V
Figure 9.2-17. PMLE2537A/ PMLE2537D/ PMLE2537F/ PMLE2537G Receiver Schematic – Sheet 3 of 4
February 14, 2012
Q402
56K
C482
4.7uF
C475
1uF
NP
C428
.01uF
C463
.047uF
R436
2113945C27
0
L412
10uH
C476
C424
200pF
100pF
L411
10uH
C405
100pF
C465
0.10uF
C411 C412
2200pF 0.1uF
NP
E406
IDCTR
4.7uH
C478
.047uF
2113945C27
C400 C417
100pF 100pF
C473
0.10uF
C464
0.10uF
R412
E402
BK1005HM471
C429
C433
0.10uF
C432
18pF
0.10uF
2113944C33
C434
.047uF
2113945C27 R413
330
C430
0.10uF
L414
C461 2.2uH
0.10uF
2462587Q51
1 36
MXOP GNDL
2 35
MXON FREF
3 34
GNDF GNDS2
4 33
IF2N SYNCB
5 32
IF2P GNDH
6 31
VDDF FS
U401
7 30
GCP AD9874 DOUTB
8 29
GCN DOUTA
9 28
VDDA CLKOUT
10 27
GNDA VDDH
11 26
VREFP VDDD
12 25
VREFN PE
R419
100K
C470
0.10uF
L403 C423
R407
3.9uH 68pF
10K
R406
2113944C41
10K
C472
0.10uF
D401
C422
.01uF
CLOCK VCO
UHF1 Schematics, Board Overlays, and Parts Lists
C442
.01uF
R414
10K
180
C481
4.7uF
D403
C437 C438
4815096H01
6.2pF 16pF
L407
Q401 4.7uH
L404
C435
330nH
56pF
D402
R415
10K
C436
56pF
2nd LO VCO
R499
10K
C448
R408
.033uF
1.8K
2113945C25
C421 C425
0.68uF 0.1uF
NP
CLOCK LF
2nd LO LF
R418
0
C440
R417
0.33uF
1.1K
2113945G96
C447 C441 C480
470pF 1uF 1uF
NP
FREF
SyncB
FS
DOUTB
DOUTA
CLKOUT
PE
PD
PC
6816985H01-F