HP 3438A Operating And Service Manual page 60

Section V l l l
Model 3438A
343OA-C- (7
Figure 8-5. AC Gain Configurations.
Figure 8-6. Ohms Block Diagram.
n ' s
RUN- DOWN
I
/ _ _ O H M S CURRENT SOURCE-
RREF
ov
OHMS
PROTECTION CONVERTER
AMP
J 4 3 B b R 1 8