Keithley 6512 Instruction Manual page 81

Applications
COMMON
Figure 4-1
Leakage current measurement
4-2
TRIAX CABLE
INPUT
ON
OFF
VΩ, GUARD
MODEL 6512
OUTPUT
MODEL 230 VOLTAGE SOURCE
TEST FIXTURE
I L
HI
LO
HI
LO
A. CONNECTIONS
6512 PREAMP
HI
LO
A/D CONVERTER
GND
COMMON
OUTPUT
B. EQUIVALENT CIRCUIT
FET
I L
UNDER
TEST
SHIELDED
TEST FIXTURE
230 VOLTAGE
SOURCE