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14
STAB. OUT,
AMP.
#1
I
,
I
II
I
II
..
#2
I
I
I
I
I
STAB. OUT,
AMP.
#20
[JJ
- - - 0
[TI
~
---:-........ 0
I
NULg
0
I
AMPL.I
I
0
0
:
IpOT BUS]
0
1201
@JJ
II
,+REF AMP.
- - - 0
VOLTMETER
FUNCTION
SWITCH
SI
II
, -REF AMP.
1221
- - - 0
AMP. # I OUTPUT
II
-#2
II
AMP. #20 OUTPUT
+
REF
I
AMPL SEL]
S6
(a)
SAL
POSITION
[IJ
- - 0
I
AMPL.\
rn
OUT
~
- - 0
0
INULL
I
0
IAMPL.I
J2
0
[Q]
IpOT BUS
10
0
IBALI
[ill
VOLTMETER
- - 0
FUNCTION SWITCH
SI
R8
8.2K
OJ
~
10FFI
0
[g]
-REF
- - . ( )
VOLTMETER
I
AMPL SELl
RANGE SWITCH
S6
( b)
AMPL
POSITION
INULLI
o
IpOT BUS
I
0
VOLTMETER
FUNCTION SWITCH
SI
10FFI
o
VOLTMETER
RANGE SWITCH
S2
(e)
VM
POSITION
Figure
5.
Readout Circuits
Simplified Schematics
S2
10500
50-0-50 jJa
CRI
CR2
-
50 -0-50
jJ
a
-
10500
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