Keithley 172A Instruction Manual page 62

THEORY OF OPERATION
INSTRUCTION MANUAL
Dig,,., M"lmll.1.r
Moclda
172A. 173A
- Q704
IN
OUT
0 0
- Q703
-5v e
FIGURE 5-9.
Simplified Schematic of Clamp.
IN R"
R707
OUT
0
.
- C702
c701
0
41
~604
~603
~601
FIGURE 5-10.
Simplified Schematic of Active Filter.
5-'I 2