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Section
VIII
THEORY
OF OPERATION
Model
3455A
external input voltage to the
internal
reference
volt-
age
times
the range factor (Kf).
8-22. Circuit Description.
8-23. Figure 8-S
shows
a simplified
schematic of
the auto-
cal
switching
circuitry.
The
following paragraphs
describe
circuit
operation
for the various auto-cal
measurements.
8-24.
10
V
dc
Input
Offset Error
Measurement.
Figure 8-6
illustrates
the
circuit
configuration
for
making
the
10V
dc
Figure
8-€.
10
V
dc
Input Offset Error
Measurement.
8-4
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