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3 Using the Source/Load Functions
Voltage Slew - The voltage slew rate determines the rate at which the voltage changes to a new
setting. The voltage slew control is only available in Voltage Priority mode. To program a voltage slew
rate, enter the rate (V/s) in the Voltage 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 voltage range.
Current Slew – The current slew rate determines the rate at which the current changes to a new
setting. The current slew control is only available in Current Priority mode. 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.
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 under
4-Wire
Sense, 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.
Output Turn-Off Mode – This is only available in Voltage Priority mode. It lets you specify high
impedance or low impedance mode at output turn-on/turn-off.
Low impedance - at turn-on the output relays are closed after which the output is programmed to the
set value. At turn-off the output is first programmed to zero, after which the output relays are opened.
High impedance – at turn-on the output is programmed to the set value after which the output relays
are closed. At turn-off the output relays are opened while the output remains at its set value. This
reduces current pulses that may be undesirable in some applications.
Voltage Bandwidth Range – This is only available in Voltage Priority mode. Voltage bandwidth range
settings allow you to optimize output response time with capacitive loads. Refer to
Output Bandwidth
for more information.
Voltage Bandwidth Frequency – This is only available in Voltage Priority mode. The frequency field lets
you enter a different frequency limit for the specified range. Refer to
Output Bandwidth
for more
information.
From the remote interface:
To set the voltage slew rate to 5 Volt/second:
VOLT:SLEW 5,(@1)
To set the current slew rate to 1 Amp/second:
CURR:SLEW 1,(@1)
To query the minimum voltage or current slew rate:
VOLT:SLEW? MIN,(@1)
CURR:SLEW? MIN,(@1)
To set the front panel sense terminals to local sensing:
VOLT:SENS:SOUR INT,(@1)
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Keysight N6705C User's Guide
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