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3 Using the Source Functions
Configuring Advanced Properties
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Advanced button - Advanced properties are configured in the
Advanced Properties window. Press the Settings key to access the
Source Settings window. Navigate to and select Advanced.
Voltage Slew - The voltage slew rate determines the rate at which the
voltage changes to a new setting. To program a voltage slew rate,
enter the rate (V/s) in the Voltage Slew field. Check Maximum to
program the fastest rate. For Agilent Models N678xA SMU, the
voltage slew control is only avilable in Voltage priority mode.
Note that the maximum slew rate is limited by the analog
performance of the output circuit. The minimum slew rate is model-
dependent and is a function of the full-scale voltage range. You can
query the minimum voltage slew rate using the VOLT:SLEW? query.
Current Slew – This is only available on Agilent Models N678xA SMU
operating in Current priority mode. The current slew rate determines
the rate at which the current changes to a new setting. To program a
current slew rate, enter the rate (A/s) in the Current Slew field.
Check Maximum to program the fastest rate.
Note that the maximum slew rate is limited by the analog
performance of the output circuit. The minimum slew rate is model-
dependent and is a function of the full-scale current range. You can
query the minimum current slew rate using the CURR:SLEW? query.
Sense - The default sense setting is Local, where the sense terminals
are connected directly to the output terminals. If you are using
remote voltage sensing as explained in chapter 2, you must
disconnect the sense terminals from the output terminals. Use the
navigation keys and select the Sense dropdown list. Selecting the 4-
Wire item disconnects the sense terminals from the output terminals.
This lets you use remote voltage sensing.
Power Limit - For the majority of DC Power Analyzer configurations,
full power is available from all installed power modules. However, it
is possible to configure a mainframe in which the combined power
module ratings exceed the 600 W power rating of the mainframe. The
power limit field lets you reduce the power that can be sourced from
an individual output, thereby preventing the combined power from
exceeding the mainframe's power rating.
To set a lower power limit, select the Power Limit Field and enter
the power limit value in Watts. Refer to chapter 6 under "Power
Limit Operation" for more information.
Model N6705 User's Guide
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