National Instruments PXIe-5172, Процедура калибровки, Страница: 3 / 38

Table 1. PXIe-5172 Test Equipment
Equipment
Recommended
Model Where Used Minimum Requirements
Oscilloscope
calibrator Fluke 9500B/600
with Fluke 9530
Active Head Verifications:
•
Timebase
accuracy
• DC
accuracy
Adjustment
Sine wave generation:
•
Amplitude: 1.25 V
pk-pk
into 50 Ω
• Frequency: 11 MHz and 89 MHz
• Frequency accuracy: ±0.25 ppm
Square wave generation:
•
Amplitude: 0.7 V
pk-pk
to 20 V
pk-pk
into
1 MΩ symmetrical to ground (0 V)
• Frequency: 500 Hz
• Abberations: <2% of peak for the first
500 ns
DC generation:
•
Amplitude: ±5 V into 50 Ω, ±40 V into
1 MΩ
• Accuracy: ±(0.025% of 25 µV)
DMM NI PXI-4071 Verifications:
•
AC
amplitude
accuracy
AC voltage measurement:
•
Range: 0.1 V
pk-pk
to 20 V
pk-pk
• Input impedance: ≥10 MΩ
• Bandwidth: ≥50 kHz
• Accuracy at 50 kHz
–
±(0.07% of r 14 µV) for
0.1 V
pk-pk
test point
– ±(0.06% of r 71 µV) for
0.7 V
pk-pk
to 1.4 V
pk-pk
test points
– ±(0.06% of r 707 µV) for
2.5 V
pk-pk
to 5.0 V
pk-pk
test points
– ±(0.12% of r 35 mV) for
20.0 V
pk-pk
test point
PXIe-5172 Calibration Procedure | © National Instruments | 3