Agilent 4155B/4156B User’s Guide Vol.2, Edition 5 6-21
Screen Organization
MEASURE Screen Group
SMU PULSE
These parameters set the SMU pulsed source (IPULSE or VPULSE). The SMU
pulsed source is defined on the CHANNELS: CHANNEL DEFINITION screen, so
the UNIT and NAME fields are already set.
In the PERIOD, WIDTH, and BASE fields, you specify the pulse period, pulse
width, and pulse base value. The pulse peak value is determined by the settings in
the VAR1, VAR2, VAR1', or CONSTANT field.
Be aware that if any of following are true, pulsed SMU channel may not output the
pulse period and pulse width you specified:
• Measurement range differs from compliance range (lowest range that includes
compliance).
• Ranging mode is set to auto range or limited auto range.
• Multi-channel measurement is set.
CONSTANT
These parameters set the constant source units. UNIT, NAME, and MODE are
defined on the CHANNELS: CHANNEL DEFINITION screen.
• SOURCE
In the SOURCE field, you specify the output value.
• COMPLIANCE
In this field, you set compliance value. If VSU is used for constant output unit,
this field cannot be set: compliance value is fixed to 100 mA.
If you define more than four constant output units, the first four units appear in the
CONSTANT fields. To show other units, select NEXT UNIT secondary softkey. To
scroll the units, put field pointer in most right or left column, then press the right
arrow or left arrow MARKER/CURSOR front-panel key.
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