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Figure
Title
Frontispiece
Model
341A
and Model
343A
DC
Voltage
Calibrators
vi
1-
1.
Model 341
A/343A
Outline
Drawing
1-3
2*1.
Controls, Terminals
and
Indicators (Sheet
1
of
2)
2-2
2-
1
.
Controls,
Terminals
and
Indicators (Sheet
2 of
2)
2-3
2-2.
Nomograph
of Voltage
Drop
in
Load
Wires
2-4
2-3.
Differential
Voltmeter
2-6
2-
4.
Operation
as a
10
ppm
Source
2-7
3-
1.
Model
341A/343A
Block
Diagram
3-1
3-
2.
Basic
Instrument
Circuitry
3-2
4-
1.
Test
and
Calibration
Equipment
4-2
4-2.
Model 341
A
Adjustment Locations
4-3
4-3.
Model
343A
Adjustment Locations
4-4
4-4.
115/230 Volt
Conversion
4-5
4-5.
Ripple
Specifications
4-7
4-6.
Multivibrator
Signal
--
TP9
4-10
4-7.
Chopper
Amplifier
Signal
--
TP
10
4-11
4-8.
High
Voltage
Power Supply Output
Voltages
4-13
4-9.
Beta
String
Switching
Requirements
4-13
4-10.
341
A
Linearity
Adjustments
4-15
4-11.
341A
Output
Voltage
Requirements
4-15
4-12.
Model
343A
Preliminary Linearity
Adjustments
(Sheet
1
of
2)
4-16
4-12.
Model
343A
Preliminary Linearity
Adjustments
(Sheet 2 of 2)
4-17
(continued
on
page
v
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