PXIe-4468 Calibration Procedure
24
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Range*
10 V
RMS Mode (SETACV)
3 (SYNC)
AC Bandwidth (ACBAND)
20 Hz
Level Filter (LFILTER)
1 (ON)
*Refer to
Table 17
for details about the correlation between AO Gain, DMM Range, and Signal
Amplitude.
Table 17:
Setting for AO Gain Verification
AO Attenuation (dB)
AO Gain (dB)
DMM Range
(Vrms)
Signal Amplitude (Vpk)
0
0
10
6.3 *
√
2
10
-10
10
2.0 *
√
2
20
-20
1
0.63 *
√
2
30
-30
1
0.2 *
√
2
3.
Configure an AO Voltage channel task using the values in
Table 18:
AO Setup
Configuration
Value
Physical Channels
Dev_name
/ao
x
AO Gain*
Gain from
Output Terminal Configuration
Configuration from
Rate
200000 S/s
Sample Mode
Continuous Sample
Samples Per Channel
20000
*Refer to
Table 17
for details about the correlation between AO Gain, DMM Range, and Signal
Amplitude.
4.
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