Keithley 2651A

Model 2651A High Power System SourceMeter® Instrument Reference Manual Section 2: General operation
2651A-901-01 Rev. A / March 2011 2-47
Figure 15: Two SMUs connected to a 3-terminal device (local sensing)
GGGG
S
LO
SENSE/GUARD
S
HI
LO HI
OUTPUT
40V, 50A MAX.
GGGG
S
LO
SENSE/GUARD
S
HI
LO HI
OUTPUT
40V, 50A MAX.
G
S
D
N-Channel
JFET
HI
HI
LO
LO
G
S
D
HI
LO
HI
LO
Equivalent
Model 2651A (subordinate)
Model 2651A (master)
SMU
(subordinate)
SMU
(master)
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
(on page 2-48).