Keithley 2651A Reference Manual page 69

Model 2651A High Power System SourceMeter® Instrument Reference Manual
HI
The outputs of multiple SMUs can also be combined to obtain higher current and voltage levels (pulse
only operation). For information including instrument configuration considerations and cautions, refer
to Combining SMU outputs
2651A-901-01 Rev. A / March 2011
Figure 15: Two SMUs connected to a 3-terminal device (local sensing)
Model 2651A (master)
SENSE/GUARD
S S
LO G G G G HI
D
N-Channel
G
S
LO
Model 2651A (subordinate)
SENSE/GUARD
S S
LO G G G G HI
(on page 2-48).
OUTPUT
LO HI
40V, 50A MAX.
LO
HI
JFET
OUTPUT
LO HI
40V, 50A MAX.
Section 2: General operation
Equivalent
D
G
S
HI HI
SMU SMU
(subordinate) (master)
LO LO
2-47