Model 2601B-PULSE System SourceMeter Instrument Reference Manual Section 4: Sourcing and measuring
2601B-PULSE-901-01A April 2020 4-19
Source voltage with extended current using two 2601B-PULSE
instruments in parallel
Figure 47: Source voltage with extended current using parallel SMUs
The following values are based on the current and voltage levels available in Region 4, as shown in
the table in Combining SMU outputs (on page 4-14).
Set the pulser to disabled:
smua.pulser.enable = smua.DISABLE
Maximum pulsed signal levels for 2601B-PULSE:
18 V with 19 A compliance
SMU 1 configuration:
Output-off mode:
smua.source.offmode = smua.OUTPUT_NORMAL
Output-off function:
smua.source.offfunc = smua.OUTPUT_DCAMPS
Normal output-off voltage limit (40 V maximum):
smua.source.offlimitv = 20
The voltage compliance of SMU 1 (the current source) must be 10% greater than the maximum
programmed voltage of SMU 2 (the voltage source).
Voltage compliance limit:
smua.trigger.source.limitv = 20
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