National Instruments PXI-5650, Calibration Procedure

Page 1: ...6 Verification 8 Validating the ALC Limits Table 8 Verifying Frequency Accuracy 9 Verifying High Power Level Accuracy 9 Verifying Low Power Level Accuracy 11 Verifying Single Sideband Phase Noise at...

Page 2: ...e verification procedures Specifications for your device NI PXI 5650 5651 5652 Getting Started Guide NI RF Signal Generators Help The latest versions of these documents are available on ni com manuals...

Page 3: ...with Preamplifier option B23 and B25 Characterizing the spectrum analyzer Frequency accuracy Low power level accuracy Single sideband phase noise Harmonics Subharmonics Nonharmonics Frequency range 50...

Page 4: ...accuracy 1E 9 BNC m to BNC m cable Pomona 5697 SMA m to BNC m cable Pasterneck Enterprises PE3696 36 SMA m to SMA m cable MegaPhase G916 S1S1 36 Frequency range DC to 6 6 GHz Insertion loss 1 2 dB up...

Page 5: ...time ensures that the PXI 5650 5651 5652 is at a stable operating temperature In each verification procedure insert a delay between configuring all devices and acquiring the measurement This delay may...

Page 6: ...connectors on the device under test DUT and test equipment are fragile Carefully perform the steps in these procedures to prevent damaging any DUTs or test equipment Characterizing the Spectrum Analy...

Page 7: ...frequency test points recorded in step 5 7 Connect the rubidium 10 MHz frequency reference signal to the spectrum analyzer REF IN rear panel connector 8 Connect the 6 dB precision attenuator to the PX...

Page 8: ...on the device EEPROM 1 Call the niRFSG Initialize External Calibration VI 2 Call the niRFSG 5652 Validate ALC Limits Table VI Note Any invalid ALC limits are reported in the invalid limits indicator I...

Page 9: ...ter setting the following NI RFSG property settings Frequency Hz 400 MHz Power Level dBm 20 dBm Generation Mode CW Reference Clock source Onboard Clock 6 Use the spectrum analyzer to measure the frequ...

Page 10: ...High Power Level Accuracy Test Points and Limits Device Frequency Start Power dBm Test Limit dB PXI 5650 5651 5652 500 kHz 5 1 6 1 MHz 5 2 MHz 5 5 MHz 5 10 MHz 8 0 75 20 MHz 8 50 MHz 10 100 MHz 10 150...

Page 11: ...sion attenuator to the PXI 5650 5651 5652 RF OUT front panel connector Note You must use the same attenuator you used in the Characterizing the Spectrum Analyzer procedure 3 Connect the spectrum analy...

Page 12: ...r 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...

Page 13: ...PXI 5650 5651 5652 RF OUT front panel connector 3 Connect the spectrum analyzer RF INPUT connector to the 6 dB precision attenuator 4 Connect the rubidium 10 MHz frequency reference signal to the spe...

Page 14: ...spectrum analyzer and record this value 10 Apply the following equation to the value measured in step 9 phase noiseSSB at 10 KHz offset Measurement 10log RBW where Measurement value measured in step...

Page 15: ...1 Connect the PXI 5650 5651 5652 REF IN OUT front panel connector to the rubidium 10 MHz frequency reference signal 2 Connect the 6 dB precision attenuator to the PXI 5650 5651 5652 RF OUT front pane...

Page 16: ...generated 12 Configure the spectrum analyzer with the following settings Center frequency 200 MHz Reference level 5 dBm Resolution bandwidth 500 Hz Span 100 kHz Reference Clock source External 13 Meas...

Page 17: ...bration Procedure National Instruments 17 Table 8 Test Points for Nonharmonic Test Device Test Point MHz PXI 5650 5651 5652 200 400 600 800 1 000 1 200 PXI 5651 5652 1 400 1 600 1 800 2 000 2 200 2 40...

Page 18: ...00 4 600 4 800 5 000 5 200 5 400 5 600 5 800 6 000 6 200 6 400 6 600 Table 9 Center Frequencies for Nonharmonic Test Device Center Frequency MHz PXI 5650 5651 5652 35 125 1 235 125 PXI 5651 5652 3 235...

Page 19: ...ettings Center frequency 10 MHz Reference level 5 dBm Resolution bandwidth 1 kHz Frequency span 500 kHz Reference Clock source External 6 Generate a signal after setting the following NI RFSG property...

Page 20: ...51 5652 10 MHz 15 20 MHz 50 MHz 100 MHz 150 MHz 200 MHz 400 MHz 800 MHz 1 0 GHz PXI 5651 5652 1 6 GHz 20 2 0 GHz 2 5 GHz 3 0 GHz 3 3 GHz PXI 5652 3 5 GHz 20 3 7 GHz 4 0 GHz 4 5 GHz 5 0 GHz 5 5 GHz 6 0...

Page 21: ...th the following settings Center frequency 10 MHz Reference level 45 dBm Resolution bandwidth 50 Hz Frequency span 500 Hz Reference Clock source External 6 Generate a signal after setting the followin...

Page 22: ...50 dBm to 0 dBm Output Power Device Frequency Test Limit dBc PXI 5650 5651 5652 10 MHz 15 20 MHz 50 MHz 100 MHz 150 MHz 200 MHz 400 MHz 800 MHz 1 0 GHz PXI 5651 5652 1 6 GHz 20 2 0 GHz 2 5 GHz 3 0 GH...

Page 23: ...ear panel connector 5 Configure the spectrum analyzer with the following settings Center frequency 3 3 GHz Reference level 5 dBm Resolution bandwidth 1 kHz Span 500 kHz Reference Clock source External...

Page 24: ...Test Limit dBc Subharmonic 1 5x Frequency GHz Subharmonic 1 5x Test Limit dBc 3 31 1 655 30 4 965 15 3 5 1 75 5 25 25 3 7 1 85 5 55 3 9 1 95 5 85 4 1 2 05 6 15 4 2 2 10 25 6 30 20 4 5 2 25 20 6 75 25...

Page 25: ...ear panel connector 5 Configure the spectrum analyzer with the following settings Center frequency 3 3 GHz Reference level 45 dBm Resolution bandwidth 50 Hz Span 500 Hz Reference Clock source External...

Page 26: ...x Test Limit dBc Subharmonic 1 5x Frequency GHz Subharmonic 1 5x Test Limit dBc 3 31 1 65 30 4 95 15 3 5 1 75 5 25 25 3 7 1 85 5 55 3 9 1 95 5 85 4 1 2 05 6 15 4 2 2 10 25 6 30 20 25 4 5 2 25 20 6 75...

Page 27: ...able limits parameter to FALSE 4 Call the niRFSG 5652 Initialize ALC Calibration VI and set the measurement range parameter to Above 10 MHz 5 Call the niRFSG 5652 Configure ALC Calibration VI 6 Use th...

Page 28: ...Calibration VI 6 Call the niRFSG 5652 Initialize Attenuator Calibration VI and set the measurement range parameter to Above 40 dBm Below 10 MHz 7 Call the niRFSG 5652 Configure Attenuator Calibration...

Page 29: ...e corresponding frequency 23 Call the niRFSG 5652 Adjust Attenuator Calibration VI and wire the measured value from step 22 to the measured RF OUT power parameter 24 Repeat steps 20 through 23 until t...

Page 30: ...urned by the center frequency parameter of the niRFSG 5652 Configure Reference Clock Calibration VI 9 Use the spectrum analyzer frequency counter to measure the frequency of the peak 10 Call the niRFS...

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