Motorola R-20010 Maintenance Manual page 298

Communications system analyzer
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1 MHZ REF
60.5
U9
~'REFERENCE----
---
I
I
DIVIDER
I
,----,
,--------.,
q>R
I
25
1
I
~
RV
I
1Mil
~,
I
D~A~O
t-------;
8V
60.5
-+--~
1
DATA
U1. U10,
U11
TRANSLA
liON LOOP
I
I
SWI
L _ _
MODULUS
CONTROL
08.
U12.
U
13
+
128/
129
'-------------~
M
OD
CONTROL
U3
MODULATION
CONTROL
MODULATION
'\IV\,
I
I
R13
us
r:--------
1
REFERENCE
DIVIDER
1.05MHz
~
REF 24
I
I
I
I
I
SV-24
111
I
DATA
I
I
I
I
l
__
_1
~g~;~c
____
_
us
+64/65
' - - - - - - - - - - - - - - 1
MOD
CONTROL
OFFSET
LOOP
")
60.5 MHZ
I
(
+
6 DBM)
U14
36930·52
RF SYNTHESIZER MODULE
60.5-MHz LOOP BOARD
(A9A4)
(RTC-4042A)
Figure 11-12.
Block Diagram
11
-21

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