NI PXIe-4340 Calibration Procedure
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© National Instruments
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7
3.
Refer to Table 4 to configure the PXI-4070 and acquire a voltage measurement for AC
Amplitude.
Table 3.
PXI-4070 Voltage Measurement Setup for DC Offset
Configuration
Value
Function
DC Volts
Range
10 V
Digital Resolution
6.5 digits
Aperture Time
100 ms
Autozero
Once
ADC Calibration
On
Input Impedance
10 MΩ
DC Noise Rejection
High Order
Number of Averages
10
Power Line Frequency
Dependent upon the local power line characteristics.
Table 4.
PXI-4070 Voltage Measurement Setup for AC Amplitude
Configuration
Value
Function
AC Volts, DC Coupled
Range
50 V
Digital Resolution
6.5 digits
Aperture Time
200 ms
Autozero
Once
ADC Calibration
On
Input Impedance
1 MΩ
Minimum Frequency
20
Number of Averages
10
Power Line Frequency
Dependent upon the local power line characteristics.
