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+12V
R418
R485
L401
+5V
C412
10nH
1k
27pF
3
F IN 1
Vcc
C405
C402
C477
Q401
15
N4
.001
.1
27pF
3658
16
N5
C413
17
.001
N6
Q402
21
T/R
3658
J403
BUFFERED
R423
27
OSC IN
OCXO IN
C400
U401
27pF
MC145151DW2
8
R
C403
.1
9
V
C404
.1
10
FV
+5V
C488
.1
R488
R401
J401
10k
10k
WO431
HS CS EX 18
R461
R411
3.6k
1k
4
R407
PD OUT
1k
+ C406
+ C407
28 LOCK DET
HS LK EX 17
1
33
C401
100pF
R412
1K
2
WO 423
R425
3
WO 429
R427
R426
62k
50k
0
4
WO 421
5
WO 427
+12V
V REF
6
WO 419
R424
+3.5V
U402B
R486
6
7
WO 425
12.1k
7
5
8
WO 417
+
+ C476
R487
15
4.7
4.99k
14
10
+15V 1
LPTT 11
R445
R446
R447
120k
50k
1k
EX MOD 13
U404A
2
R449
U407B
+5V
10k
2904
6
3
+3.5V
+
V REF
7
V REF EX 9
5
+
+3.5V
R436
R437
100
100
C482
C424
C425
C483
27pF
.1
.1
27pF
+5V
14
12
V DD
V CC
R438
R439
10k
1k
6
17
SYN CS RX 12
PD OUT
ENABLE
U403
C417
R440
145190
.01
1k
2
20
SYN LK RX 16
LOCK DET
REF IN
C423
100pF
10
R405
F IN
1k
19
C484
RF DATA 20
DATA
27pF
R404
100
18
RF CLK 19
CLK
8
RX
+12V
R441
47k
7
R434
GND
294
5
V PD
+ C421
R435
C422
11
F IN
.1
4.7
1k
10-15
C411
10
.1
R420
2.7k
C414
R421
.01
C415
3.3k
100pF
R422
3.3k
270
+12V
C408
56pF
R416
C409
270
.01
C410
CR401
+ C426
.01
9.1V
4.7
3
U402A
DC IN
2904
3
Y401
+
1
2
TCXO 1 PPM
2
5
MOD
RF OUT
R417
17.5 MHz
R456
10k
10k
680
GNDA GNDB GNDC
R444
2904
U404B
10k
2904
1
6
7
1
5
+3.5V
+
4
3
C497
5
+12V
100pF
L404
7
FREQ
ADJ
+12V
2
8
R428
10
6
L402
C416
C441
C453
.1uH
.1
1pF
820pF
R430
2.7k
Q403
3636
C419
R431
.01
3.3k
C420
C418
5.6pF
.001
Q404
3636
+12V
R456
470
C485
R433
R432
R450
27pF
270
3.3k
10
R452
L403
C499
C429
100
.018uH
27pF
27pF
R451
C498
6.8k
2.7pF
Q403
3636
R453
1.6k
C431
Q404
27pF
3636
R457
36
C479
R455
R454
27pF
150
1.6k
March 1999
Part No. 001-2009-600
SOURCE
SOURCE
U406
+15V
+12V
LM7L12ACM
8
1
V IN
V OUT
SOURCE
+ C472
+ C474
C471
C475
R419
+3.5V
GROUND
.001
1.5
4.7
.001
12.1k
A
B
C
GND
2
3
6
7
R429
4.99k
SOURCE
U405
+5V
78L05
8
1
V IN
V OUT
C466
+ C467
+ C469
C470
.001
GROUND
.001
1.5
4.7
A
B
C
GND
2
3
6
7
R482
0
+12V
VCO
850-870 MHz
R462
C434
27pF
10
MOD
A007
CNTL
L406
R463
C442
R464
.039uH
100
27pF
5.6k
C443
R465
C446
27pF
1.2k
27pF
TAP
Q410
C450
3636
4.3pF
RF OUT
C444
R466
27pF
1.6k
C445
Q411
27pF
3636
R443
36
R467
R468
C480
39pF
1.6k
150
C433
2pF
NOTES:
C430
1. ALL RESISTORS ARE IN OHMS AND ALL CAPAICITORS IN
27pF
MICROFARADS UNLESS OTHERWISE SPECIFIED.
2. IC NUMBERS NOT SHOWN:
PIN
NUMBER
C432
IC
+12V
GND
27pF
U402, U404,
4
8
U407
+ C428
4.7
Q405
+15V
3612
+ C496
+ C463
R481
15
1.3k
15
R480
7.5k
+ C481
+15V
1
R458
R459
R471
R472
130
130
180
180
R473
C448
+ C477
CR403
C461
+ C460
1k
27pF
1
5.6V
27pF
4.7
CR402
R474
C449
5.6V
2k
5.6pF
Q413
4098
R469
C451
C451
2.4k
5.1pF
5.6pF
Q412
3636
R470
330
EXCITER SCHEMATIC
FIGURE 10-20
C462
C464
.001
.01
C465
R490
J402
5.6pF
18
RF OUT
R489
R491
300
300
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