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UHF2 Schematics, Board Overlays, and Parts Lists
9.3-19
6816985H01-B
August 16, 2007
Figure 9.3-18. PMLE4427A/ PMLE4427B RX (back-end) Schematic
4.7uH
CLOCK LF
NP
NU
2nd LO VCO
NU
2nd LO LF
CLOCK VCO
NU
NU
L407
C483
100pF
0.10uF
C430
C473
0.10uF
C461
0.10uF
4.7uF
C482
E402
BK1005HM471
0.10uF
C432
R415
10K
L412
10uH
Q402
D403
D401
R413
330
0.10uF
C412
180
R412
R419
100K
C481
4.7uF
8.2pF
C449
.033uF
C448
10K
R414
100pF
C475
100pF
C424
C436
56pF
R406
10K
C480
1uF
0.10uF
C472
C447
470pF
C478
.047uF
.01uF
C442
.01uF
C428
C405
100pF
C422
.01uF
Q401
1
0
4
C
F
u
0
1.
0
0.1uF
C421
C441
1uF
6
1
4
C
C425
0.1uF
F
u
0
1.
0
L411
C438
16pF
L414
10uH
2.2uH
C423
68pF
C476
C470
0.10uF
200pF
R418
0
C429
L404
330nH
0.10uF
C437
6.2pF
4.7uH
R408
1.8K
C417
E406
IDCTR
100pF
D402
C463
.047uF
10K
R499
100pF
C400
1
3
4
C
F
u
0
1.
0
C440
0.33uF
R407
10K
L413
330nH
3.9uH
0.10uF
C464
L403
9
3
P
D
D
V
4
1
Q
D
D
V
12
VREFN
11
VREFP
R417
1.1K
33
SYNCB
9
VDDA
7
1
C
D
D
V
26
VDDD
6
VDDF
27
VDDH
8
4
I
D
D
V
0
4
L
D
D
V
2
4
N
O
L
3
4
P
O
L
2
MXON
1
MXOP
3
2
C
P
4
2
D
P
25
PE
3
1
F
E
R
R
6
1
Q
D
N
G
1
2
1
S
D
N
G
34
GNDS2
4
IF2N
5
IF2P
7
4
NI
FI
5
1
C
T
U
OI
8
3
L
T
U
OI
10
GNDA
8
1
C
D
N
G
2
2
D
D
N
G
3
GNDF
32
GNDH
5
4
I
D
N
G
36
GNDL
7
3
P
D
N
G
4
4
L
V
X
C
1
4
M
V
X
C
29
DOUTA
30
DOUTB
35
FREF
31
FS
8
GCN
7
GCP
AD9874
U401
0
2
N
K
L
C
28
CLKOUT
P
K
L
C
9
1
6
4
FI
X
C
56K
R420
C434
.047uF
C411
2200pF
56pF
C435
18pF
C433
0
R436
C465
XCVR_5V
SyncB
FREF
DIG_3V
0.10uF
PE
PD
PC
FS
DOUTB
DOUTA
CLKOUT
IF
Summary of Contents for ASTRO MT 1500
Page 4: ...iv Table of Contents August 16 2007 6816985H01 B Notes ...
Page 164: ...August 16 2007 6816985H01 B 5 6 Troubleshooting Procedures Operational Error Codes Notes ...
Page 188: ...August 16 2007 6816985H01 B 6 1 24 VHF Troubleshooting Charts Secure Hardware Failure Notes ...
Page 212: ...August 16 2007 6816985H01 B 6 2 24 UHF1 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 236: ...August 16 2007 6816985H01 B 6 3 24 UHF2 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 710: ...9 2 40 UHF1 Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Page 806: ...9 5 32 900MHz Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Page 816: ...Index 4 August 16 2007 6816985H01 B Notes ...
Page 817: ......