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THEORY OF OPERATION
INSTRUCTION
MANUAL
LINE
POWER
1728
SUPPLY
4
b
BATT PACK
(OPTION)
TO ALL
INPUT
SIGNAL
A/D CONVERTER
FRONT PANEL
+
CONDITIONING
'
& DIGITAL
CKTS
*
DISPLAY
1J2A/173A
CURRENT
1722/1723
DIGITAL
I'FACE
(OPTIONS)
+
DIGITAL
INPUTS/OUTPUTS
FIGURE 5-I.
Overall
Block
Diaqram
of
Model
172A/l73A.
INP
TO
ATTENUATOR
AID
SIG.
FIGURE 5-2.
Simplified
Block
Diagram
of
Signal
Conditioning
Circuits.
5-2
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