Block Diagram - Motorola R-20010 Maintenance Manual

SYNTH SWEEP
SYNTH FM
CONTROL
WB AMP LO/HI
10 MHz REF
01·1 AGC
POWER
HV.
±
12V. + 33V
25. 26
29. 30
-3- 14
! , 1 6
39. 40
33. 34
~
I
A9A1
l
1
REF/CONT [______
MODULE
11
1 MHz REF
1.05 MHz REF
A9A4
60.5
:1:
-
60.5 MHz LOOP
125KHz
CONTROL
SO Hz STEPS
M ODULATION 1
CONTROL
I
--
-
A9A2
310·
1 MHz REF
310-440 MHZ LOOP
440 MHZ
--1
125 KHz STEPS
CONTROL
CONTROL
1 0 MHz REF
A9A6
640 MHz LOOP
640 MHz
CONTROL
PHASE OETECTOR
+
K4>
LOOP
FILTER
-
I
A9A5
250-500 MHZ
1
GHz LOOP
I
1
1
VCA
l
1
l
LOW
PASS
FILTERS
l
A9A3
OUTPUT
MODULE
vco
1
~2
I
500-1000 MHz
i
l
l
LOW
l
Fit~RS
l
I
c
OUTPUT
1
SELECT
17.18 SYNTH
10 MHz
.01-1000 MHz
100Hz STEPS
""""
RF SYNTHESIZER MODULE (A9)
(RTC-1007A)
Figure 11-1. Block Diagram
11-7