Aperture Time
NI DC Power Supplies and SMUs Help (NI-DCPower)
Edition Date: January 2018
Part Number: 370736U-01
View Product Info
Edition Date: January 2018
Part Number: 370736U-01
View Product Info
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Aperture time is the period during which an ADC reads the voltage or current on a power supply or SMU. Aperture time can be specified in seconds (s) or power line cycles (PLCs). Measurement resolution, measurement speed, and frequency rejection are all functions of aperture time.
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Tip Select longer aperture times to improve measurement resolution; select shorter aperture times to increase the measurement speed. |
Configuring Aperture Time
Use the niDCPower Configure Aperture Time VI or the niDCPower_ConfigureApertureTime function to set the aperture time of the device. Use the niDCPower Configure Power Line Frequency VI or the niDCPower_ConfigurePowerLineFrequency function to set the power line frequency for a specified channel of the device.
Support for Aperture Time
The following devices do not support this feature: NI PXI-4110, NI PXI-4130, NI PXIe-4154.
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