HP 3455A - Page 98

Model 345SA
THEORY OF OPERATION
Seciion
VIII
for the I
V
dc
Reference Offset
Error Measurement. The 8-31. 100
V
dc and 1000 V dc
Gain Error Measurement,
input of the DC Preamp is
grounded through the len-to-onc Figure
8-13 shows
the
circuit arrangement for making the
divider by
FET switch
AI0Q16.
Preamp gain is XIO. 100
V
dc gain
error measurement. The reference
voltage
is
Figure
8-1
1. .1 V dc
ar>d 1 V dc Gain
Error Measurement.
Figure
8-12.
1 V dc Reference Offset
Error Measurement.
8-7