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CALIBRATION PROCEDURE
NI PXI-5663
This document contains instructions for writing a manual calibration procedure for the
NI PXI-5663 (NI 5663) RF vector signal analyzer. For more information about calibration, visit
ni.com/calibration
Contents
Software Requirements............................................................................................................. 1
Documentation Requirements .................................................................................................. 2
Calibration Interval................................................................................................................... 2
Test Equipment......................................................................................................................... 3
Test Conditions......................................................................................................................... 5
Calibration Procedures ............................................................................................................. 5
Initial Setup....................................................................................................................... 6
Test System Characterization ........................................................................................... 6
Power Splitter Reference Output.............................................................................. 6
Power Sensor Zero/Calibration ................................................................................ 6
RF Input Calibration................................................................................................. 6
As-Found and As-Left Limits........................................................................................... 9
Verification Procedures .................................................................................................... 9
Verifying Reference Accuracy ................................................................................. 9
Absolute Accuracy Verification ............................................................................... 9
Average Noise Level Verification............................................................................ 14
LO Output Power Verification ................................................................................. 17
Non-Input-Related Spurs (Residual Spurs) Verification.......................................... 19
Sideband Spurs Verification ..................................................................................... 21
Phase Noise Verification .......................................................................................... 25
Appendix A: Non-Input-Related Spurs Test Frequencies ........................................................ 28
Where to Go for Support .......................................................................................................... 32
Software Requirements
To calibrate the NI 5663, you must install NI-RFSA version 2.3 or later and the NI Spectral
Measurements Toolkit version 2.4 or later on the calibration system.
NI-RFSA version 2.1 does not include adjustment VIs.
Note
You can download NI-RFSA from
.
ni.com/updates
.
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Summary of Contents for National Instruments PXI-5663
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Page 1: Table Of Contents
CALIBRATION PROCEDURE NI PXI-5663 This document contains instructions for writing a manual calibration procedure for the NI PXI-5663 (NI 5663) RF vector signal analyzer. For more information about calibration, visit ni.com/calibration Contents Software Requirements......................1 Documentation Requirements ....................2 Calibration Interval........................2 Test Equipment......................... -
Page 2: Documentation Requirements
Calibration Interval NI recommends that you perform a complete calibration for the NI 5663 at least once a year. Adjust the recommended calibration interval based on the measurement accuracy demands of your application. 2 | ni.com | NI PXI-5663 Calibration Procedure... -
Page 3: Test Equipment
7 GHz........<1.26% Signal generator Anritsu MG3692B Frequency range: 10 MHz to 6.6 GHz (RF source) Power level: -60 dBm to 20 dBm 50 Ω terminator NI 778353-01 — (2 required) NI PXI-5663 Calibration Procedure | © National Instruments | 3... - Page 4 ST-18/SMAm/SMAm/36 (36 in.) 3.5 mm (m)-to- Huber+Suhner — 3.5 mm (f) 30 dB 6630 SMA-50-1/199NE attenuator N(m)-to-3.5 mm (f) Huber+Suhner — adapter 33_N-SMA-50-1/ 113_UE Included in the NI PXIe-5663 cable accessory kit. 4 | ni.com | NI PXI-5663 Calibration Procedure...
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Page 5: Test Conditions
Module Calibration—Perform a calibration of the individual modules. Refer to the following module calibration procedures at ni.com/manuals • NI PXI-5650/5651/5652 Calibration Procedure • NI PXIe-5622 Calibration Procedure • NI PXIe-5601 Calibration Procedure NI PXI-5663 Calibration Procedure | © National Instruments | 5... -
Page 6: Initial Setup
Phase Noise Verification tests. Connect the power splitter input to the RF source output through the 3.5 mm-to-3.5 mm cable. Connect power sensor A to the previously designated reference output of the power splitter. 6 | ni.com | NI PXI-5663 Calibration Procedure... - Page 7 Connect the power splitter input to the RF source output through the 3.5 mm-to-3.5 mm cable. Connect power sensor A to the previously designated reference output of the power splitter. NI PXI-5663 Calibration Procedure | © National Instruments | 7...
- Page 8 1,000 MHz, and so on. Calculate the RF input attenuated calibration factor (dB) for each frequency using the following equation: RF Input Attenuated Calibration Factor = Channel B Power - Channel A Power 8 | ni.com | NI PXI-5663 Calibration Procedure...
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Page 9: As-Found And As-Left Limits
Connect the power splitter reference output to power sensor A. Connect the other power splitter output to the NI 5601 RF IN connector through the 30 dB attenuator and 3.5 mm (m)-to-3.5 mm (m) adapter. NI PXI-5663 Calibration Procedure | © National Instruments | 9... - Page 10 Lock the NI PXI-5652 to the reference used by the test equipment. Use the niRFSA Configure Ref Clock VI or the function. niRFSA_ConfigureRefClock Set the NI 5663 to make a spectrum acquisition using the niRFSA Configure Acquisition Type VI or the function. niRFSA_ConfigureAcquisitionType 10 | ni.com | NI PXI-5663 Calibration Procedure...
- Page 11 A sensor. Calculation of the RF Input Attenuated Calibration Factor may require interpolation. Set the signal generator to its maximum power if it does not have sufficient Note power to reach the reference level. 15. Record the channel A power. NI PXI-5663 Calibration Procedure | © National Instruments | 11...
- Page 12 11. Set the NI 5663 center frequency according to Table 4 and span according to Table 3 using the Center Span instance of the niRFSA Configure Spectrum Frequency VI or the function. niRFSA_ConfigureSpectrumFrequencyCenterSpan 12. Commit the settings to hardware using the niRFSA Commit VI or the niRFSA_Commit function. 12 | ni.com | NI PXI-5663 Calibration Procedure...
- Page 13 ±1.70 dB ±1.00 dB 400 MHz to <3.0 GHz ±1.60 dB ±0.97 dB 3.0 GHz to <5.5 GHz ±1.70 dB ±1.03 dB 5.5 GHz to 6.6 GHz ±1.60 dB ±0.93 dB NI PXI-5663 Calibration Procedure | © National Instruments | 13...
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Page 14: Average Noise Level Verification
Lock the NI PXI-5652 to the reference used by the test equipment. Use the niRFSA Configure Ref Clock VI or the function. niRFSA_ConfigureRefClock Set the NI 5663 to make a spectrum acquisition using the niRFSA Configure Acquisition Type VI or the function. niRFSA_ConfigureAcquisitionType 14 | ni.com | NI PXI-5663 Calibration Procedure... - Page 15 10. Use the niRFSA Property Node to set the following properties: • Spectrum Averaging Mode to RMS Averaging • Spectrum Number of Averages to 20 • Spectrum Resolution Bandwidth Type to ENBW • Spectrum Units to Volts Squared NI PXI-5663 Calibration Procedure | © National Instruments | 15...
- Page 16 3 GHz to <5 GHz <-153 dBm/Hz <-154 dBm/Hz 5 GHz to 6.6 GHz <-151 dBm/Hz <-152 dBm/Hz If the results are within the selected test limit, the device has passed this portion of the verification. 16 | ni.com | NI PXI-5663 Calibration Procedure...
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Page 17: Lo Output Power Verification
50 Ω Terminator Power Sensor A Power Meter Channel A Power Sensor B Create a new session for the NI 5663 using the niRFSA Initialize VI or the niRFSA_init function. NI PXI-5663 Calibration Procedure | © National Instruments | 17... - Page 18 0 dBm ±3.5 dB (nominal) Note: LO Input Power = 0 dBm ±0.5 dB. If the results are within the selected test limit, the device has passed this portion of the verification. 18 | ni.com | NI PXI-5663 Calibration Procedure...
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Page 19: Non-Input-Related Spurs (Residual Spurs) Verification
Create a new session for the NI 5663 using the niRFSA Initialize VI or the niRFSA_init function. Perform an internal self-calibration on the NI 5622 using the niRFSA Self Cal VI or the function. niRFSA_SelfCal NI PXI-5663 Calibration Procedure | © National Instruments | 19... - Page 20 11. Commit the settings to hardware using the niRFSA Commit VI or the niRFSA_Commit function. 12. Set the NI 5663 to read the power spectrum using the niRFSA Read Power Spectrum (Cluster) VI or the function. niRFSA_ReadPowerSpectrumF64 20 | ni.com | NI PXI-5663 Calibration Procedure...
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Page 21: Sideband Spurs Verification
Connect the other power splitter output to the NI 5601 RF IN connector through the 3.5 mm (m) to 3.5 mm (m) adapter. Figure 7 shows the completed equipment setup. NI PXI-5663 Calibration Procedure | © National Instruments | 21... - Page 22 Lock the NI PXI-5652 to the reference used by the test equipment. Use the niRFSA Configure Ref Clock VI or the function. niRFSA_ConfigureRefClock Set the NI 5663 to make a spectrum acquisition using the niRFSA Configure Acquisition Type VI or the function. niRFSA_ConfigureAcquisitionType 22 | ni.com | NI PXI-5663 Calibration Procedure...
- Page 23 11. Use the niRFSA Property Node to set the following properties: • Spectrum Averaging Mode to RMS Averaging • Spectrum Number of Averages to or set the following attributes: • NIRFSA_ATTR_SPECTRUM_AVERAGING_MODE NIRFSA_VAL_RMS_AVERAGING • NIRFSA_ATTR_SPECTRUM_NUMBER_OF_AVERAGES NI PXI-5663 Calibration Procedure | © National Instruments | 23...
- Page 24 50 MHz to <3.3 GHz <-60 dBc <-60 dBc 3.3 GHz to 6.6 GHz Not tested Not tested If the results are within the selected test limit, the device has passed this portion of the verification. 24 | ni.com | NI PXI-5663 Calibration Procedure...
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Page 25: Phase Noise Verification
2 Vp-p 50 Ω 0 dBm NOM ALL PORTS ±5 VDC MAX SENSITIVE 50 Ω PN Source Power Sensor A Power Meter Channel A 50 Ω Terminator Power Splitter Power Meter NI PXI-5663 Calibration Procedure | © National Instruments | 25... - Page 26 13. Set the PN source frequency to the PN source RF frequency in Table 18. 14. Correct the PN source frequency as necessary to obtain a signal centered at the NI 5663 tuned frequency. 26 | ni.com | NI PXI-5663 Calibration Procedure...
- Page 27 22. Select the value of the element in the array from step 21 corresponding to the frequency of the signal peak measured in step 20. This value is the PSD which you use in step 23. NI PXI-5663 Calibration Procedure | © National Instruments | 27...
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Page 28: Appendix A: Non-Input-Related Spurs Test Frequencies
NI 5663. Table 20 gives the NI 5663 tuned frequencies and the RF frequency that would correspond to the spur frequency. Table 20. Non-Input-Related Spurs Test Frequencies NI 5663 Tuned Frequency (MHz) Equivalent RF Frequency for Spur (MHz) 149.9999988 210.0000124 300.0000145 359.999997 28 | ni.com | NI PXI-5663 Calibration Procedure... - Page 29 1,180 1,199.92 1,200 1,200 1,204 1,199.92 1,225 1,225 1,245 1,265 1,375 1,400 1,400 1,400 1,425 1,425 1,450 1,438.152174 1,975 1,968.843284 2,050 2,072.977941 2,125 2,113.146552 2,150 2,165.625 2,200 2,211.948529 2,250 2,275 NI PXI-5663 Calibration Procedure | © National Instruments | 29...
- Page 30 3,500 3,519.53125 3,525 3,522.916667 3,550 3,561.970339 3,575 3,594.054878 3,600 3,615.625 3,650 3,674.489796 3,675 3,681.25 3,725 3,743.854167 3,750 3,764.914773 3,850 3,873.798077 3,900 3,923.4375 3,925 3,949.056604 3,935 3,955.694446 4,025 4,029.375 4,035 4,035.182921 4,475 4,478.90625 30 | ni.com | NI PXI-5663 Calibration Procedure...
- Page 31 5,820 5,800.72 5,845 5,851.5 5,875 5,857.276119 5,900 5,888.811728 5,925 5,906.25 5,950 5,934.002976 5,975 5,959.40594 6,000 5,987.575301 6,025 6,009.191176 6,075 6,060.661765 6,225 6,222.861842 6,250 6,249.614198 6,275 6,273.094512 6,425 6,427.667683 6,425 6,443.494212 NI PXI-5663 Calibration Procedure | © National Instruments | 31...
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Page 32: Where To Go For Support
NI product. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data. © 2009–2013 National Instruments. All rights reserved.
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