System Analyzer Block Diagram - Motorola R-20010 Maintenance Manual

I
EXT MOD INPUT
EXT 1 KHz CODE MODULATION AUDIO
MOD.?
M IKE INPUT AID
m i
) 1
AUDIO
SYNTHESIZER
~ /
MOO AUDIO
T
MOD AUDIO BUS AM AUDIO • OC LEVEL
RF
~
IEEE/
EXT 10 MHZ IN
I
A16
1
REMOTE
10 MHz FRED
10 MHZ
LVL
i
'
INTERFAC E
1
STANDARD
I
FM MO D
A9
)_ 1
AM AUDIO - OC LEVEL
BOARD
RF
(OPTIONAL)
IAOOULATION
ALDlO
SYNTHESIZE R
IEEE 488 BUS
r
-
SYNTH RF
-
A 17 INPUT MODULE
l
RF ATTEN CONTROL
l
I
2
O SB MO D A17 A2
SYSTEM
CONTROL
RF
WIOEBAND AMPL 10.7 MHz IF
SIDEBAND AUD IO
ATTN RF IN/OUT
AND DOWN J
l
I
BUSES
CONVRTER
f--
SPEAKER
1
~F
OPLX
RF
N/OUT
RF IN
OUTPUT
LVL
CALIBRATED
ANTENNA
I
OPLX
DEMOD AUO
1
A4
Rf IN/OUT
A17A1
MOO
A17 A3
DUPLEX RF
RECEIVE R
SPECTRUM
f - -
WATTMETER
- - 1 DUPLEX
OUT ANAL VZER VERT
l GENERATOR
EXT fWDPWR ~
-
- -T~~T --
------f----..,
700 KHz If
'- TEio!P
SCOPE Z·AXIS
EXT R f L P WR
_,
ucl
DVM INPUT BJSS
SCOPE VERT
fRONT PANEL INPUTS
OffSET ! •
lf/BFO FRED
A7
SCOPE INT HORIZ
FRONT PANEL OISP
FRED
DVM TO A/0 COI>VERTER
SCOPE/OVM
A15
M
CO NTROl
iERTISINAO OIST I OVM
FRONT PANEL
'REO COUNTE R IN
INTERFACE
EXT FRED
All
CHAR GEN Z·AXIS
EXT HORIZ INPUT
PROCESSOR
A14
AND SYNC
110
PROCESSOR BUS
PROCESSOR
r----
T
T
SYSTEM CONTROL BUSES
1
SCOPE VERT FROM ATTENUATOR
INTERN AL SCOPE VERT
SCOPE EXT HORIZ
COMMUNICATIONS
SYSTEM ANALYZER
Figure 2-1 . Block Diagram
EXT 1 0 MH
MOD OUTPl
DUPLEX 0~
DEMOD ou·
r - -
A2
CRT VERT
SCOPE
CRT HORIZ
CRT
AMLIFIER
I
CRT Z-AXIS
1 JUMPERS ARE l'lST ALLEO WHEN THE
IEEE OPTION IS NOT INSTALLED
2 WITH IEEE OPTION. THE Rf ATTENUATI
IS CONTROLLED FROM THE A3 MODULE
OTHERWISE FRONT PANEL CONTROLLEI
2-11