National Instruments PXI-5650, Процедура калибровки

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12 | ni.com | NI PXI-5650/5651/5652 Calibration Procedure
8. Use the spectrum analyzer to measure the PXI-5650/5651/5652 RF OUT power. Add the
Spectrum Analyzer Correction Factor recorded in the Characterizing the Spectrum
Analyzer section to each power measurement in this step at the corresponding frequency.
Compare the value to the Test Limit listed in Table 5.
Table 5. Low-Level Accuracy Test Points and Limits (
≤
-40 dBm)
Device Frequency
Stop Power
(dBm) Test Limit (dB)
PXI-5650/5651/
5652
500 kHz -90 ±2.2
1 MHz -90
2 MHz -90
5 MHz -90
10.1 MHz -90 ±1.8
20.1 MHz -90
50.1 MHz -90
100.1 MHz -90
150.1 MHz -90
200.1 MHz -90
500.1 MHz -90
1 GHz -90
PXI-5651/5652 1.5 GHz -90 ±1.8
2 GHz -80
2.5 GHz -80
3 GHz -70
3.3 GHz -60