Motorola R-20018 Manual page 192

Communications system analyzer
Table of Contents

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I
56-61
4()
41-43
44
33
35, 37,
38
39
7-19,21
16
11
12
81
15
31
73
25-28
30
32
29
55
62·65
69
66-68,70
24
5
6
4
49
/
P/0
A12P1
SWP SEL 1 100 MSIDIV
" I
, I SCAN UP 5 MHz/S
/ I
SCAN UP 5-500KHz IS
" I
' j
SCAN UP 500 Hz/S
'-I
/
I SCAN ON 5 MHz/S
'
I
' I SCAN ON 5-500KHz IS
/
: SCAN ON 500Hz IS
' !
1
RF ATIEN 0-130 00
P/0
, A12J2
SENS MON
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,
1
CSSG CONT EN
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CSSG
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EN
/
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1
MONIGEN
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MON/GEN
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/ A12P1
WBINB
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0.01V-G.1V/OIV RNG SEL
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1
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SIG PRES
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1
IN
PROT ACT
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EXT HORIZ SEL
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AF AORS BUS 0-3
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AFOUSEN2
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1
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PRI ENCOR
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U16·22
+
+
U12·15
INPUT BUFFERS
U9
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AnEN
CONT
us
AORS
U10
DECODE
4-BIT
LCH
-
Kt 2
K3, 4
~
~r-o~12
°~:34
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INT/EXT
ACIOC
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96
( A12P1
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93 (
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98 (
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91 (
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94(1
TP1
t
R39-44,
KS-8, 07, 14
RANGE
AnEN
•SV
GNO
OVEN LEO ANODE
OVEN LED CATHODE
DC LEO CATHODE
OC LEO ANODE
AC LED
I
I
ROW 4
ROW 3
COLUMN 3
ROW 1
ROW 2
COLUMN 0
COLUMN 1
COLUMN 2
ROW 0
POWER OFF EN
POWER ON EN
LATCH SELECT D2
P/0
A12J1 (
7
I
I ( 8
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(
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9
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(
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10
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11
13
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15
16
A12J2 (
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1"-
2
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4
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:
"
5
6
7
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B
(
9
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10
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13
P/0
(
14
A12P1 ) 5-6,12
AF OATA BUS 0-3
'
1-4
/
U25
OVM FROM RNG SW
OVM
22
BUFFER
/
EXT FRED CNTR
U24, 015
34
-lf-to-
FREO
CIHR
PREAMPL
EXT FREO CNTR
,
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/
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08·11
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SCOPE
VERT FROM RNG SW
I ,
VERT
(05VICM)
1 /
PREAMPL
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20
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U27
I
SCOPE
HORIZ TO SCOPE AMPL
1
"
HORIZ
(05VICM)
'
PREAMPL
4215-1
KEYBOARD
Figure 18-1.
Front Panel Interface Module
A12 Block Diagram

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