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Agilent B1500A/B1505A Programming Guide, Edition 11 1-13
Programming Basics
Getting Started
To Set the SMU Integration Time
To adjust the balance of the SMU’s measurement accuracy and speed, change the
integration time or the number of averaging samples of the A/D converter (ADC) by
using the AV command. The AV command is compatible with the AV command of
the Agilent 4142B.
For accurate and reliable measurement, set the integration time longer or set the
number of samples larger. For details about the integration time settings, see
Chapter 4, “Command Reference.”
The following type of the ADC is available. Use the AAD command to select the
type, and use the AIT command to set the integration time or the number of samples.
Example The following example sets the number of samples to 10 for the high-speed A/D
converter.
OUTPUT @B1500;"AV 10,1"
The following example sets the power line cycle mode (PLC) for both the
high-speed ADC and the high-resolution ADC. And channel 1 uses the
high-resolution ADC and other channels use the high-speed ADC.
OUTPUT @B1500;"*RST"
OUTPUT @B1500;"AIT 0,2"
OUTPUT @B1500;"AIT 1,2"
OUTPUT @B1500;"AAD 1,1"
Type Description
High-speed ADC Effective for the high speed measurement. In the multi
channel sweep measurement mode (MM16), multiple
measurement channels can perform synchronous
measurements. The number of averaging samples must be
set by the AV or AIT command.
High-resolution
ADC
Effective for the accurate measurement. Cannot be used
for the pulsed measurement channel and the simultaneous
measurement channel. The integration time must be set by
the AIT command.
Not available for the HCSMU and HVSMU.
Pulsed
measurement ADC
Always used for the pulsed measurement. The number of
averaging samples must be set by the AIT.
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