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Series 2600 System SourceMeters Reference Manual
DUT Test Connections 3-9
Return to
2600S-901-01 Rev. A / May 2006
Figure 3-7
G
S
D
N-Channel
JFET
Keithley
Model 2602/2612
G
S
D
SMU A
SMU B
HI
LO
HI
LO
Equivalent Circuit
Channel
A
LO
G
Lo
HI G G G
HI
S
S
Channel
B
LO
G
Lo
HI
G
G
G
HI
S
S
HI
HI
LO
Two SMUs connected to a 3-terminal device (local sense)
shows how to use three SMUs to test the same 3-terminal device. The
third SMU is connected to the source (S) terminal of the JFET. This allows the
source terminal to be biased above signal low. Setting this SMU to output 0V
effectively connects the source terminal of the JFET to signal low.
Figure 3-8
G
S
D
N-Channel
JFET
Keithley Model 2602/2612-1
Channel
A
LO
G
Lo
HI G G G
HI
S
S
Channel
B
LO
G
Lo
HI
G
G
G
HI
S
S
HI
HI
Keithley Model 2602/2612-2
Channel
A
LO
G
Lo
HI G G G
HI
S
S
Channel
B
LO
G
Lo
HI
G
G
G
HI
S
S
HI
G
S
D
Equivalent Circuit
SMU B
Unit #1
HI
LO
SMU A
Unit #2
HI
LO
SMU A
Unit #1
HI
LO
Three SMUs connected to a 3-terminal device (local sense)
Содержание SourceMeter 2600 Series
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