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National Instruments PXIe-5693 Calibration Procedure

National Instruments PXIe-5693 Calibration Procedure

Rf preselector module
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CALIBRATION PROCEDURE
NI PXIe-5693
RF Preselector Module
This document contains the verification and adjustment procedures for the National Instruments
PXIe-5693 (NI 5693) RF preselector module. Refer to
information about calibration solutions.
Contents
Required Software .................................................................................................................... 2
Related Documentation ............................................................................................................ 2
Test Equipment......................................................................................................................... 2
Test Conditions......................................................................................................................... 10
Initial Setup............................................................................................................................... 10
Characterizing the Test System ................................................................................................ 10
Designating the Power Splitter Reference Output............................................................ 11
Zeroing and Calibrating the Power Sensor....................................................................... 11
Characterizing the RF Source 1 Power (Direct) ............................................................... 11
Characterizing the RF Source 2 Power (Direct) ............................................................... 13
Attenuator)..................................................................................................................... 15
As-Found and As-Left Limits................................................................................................... 19
Verification............................................................................................................................... 19
Verifying Noise Figure ..................................................................................................... 19
Verifying In-Band Third Order Intercept (TOI)............................................................... 24
Verifying Out-of-Band TOI.............................................................................................. 29
Verifying Reverse Isolation.............................................................................................. 34
Verifying Calibration Signal Amplitude Accuracy .......................................................... 38
Adjustment................................................................................................................................ 41
Adjusting RF Gain............................................................................................................ 41
Adjusting Cal Tone Power Accuracy ............................................................................... 44
Reverification ........................................................................................................................... 47
Appendix A: Test Frequencies for RF Gain Adjustment ......................................................... 47
Appendix B: Test Frequencies for Cal Tone Amplitude Adjustment ...................................... 51
Worldwide Support and Services ............................................................................................. 54
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  • Page 1: Table Of Contents

    CALIBRATION PROCEDURE NI PXIe-5693 RF Preselector Module This document contains the verification and adjustment procedures for the National Instruments PXIe-5693 (NI 5693) RF preselector module. Refer to for more ni.com/calibration information about calibration solutions. Contents Required Software ........................2 Related Documentation ......................2 Test Equipment.........................

  • Page 2: Required Software

    Table 1 lists the equipment NI recommends for the performance verification and adjustment procedures. If the recommended equipment is not available, select a substitute using the minimum requirements listed in the table. 2 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 3 Table 1. Recommended Equipment for NI 5693 Calibration Equipment Recommended Models Where Used Minimum Requirements Noise source NoiseCom NC346B Precision Noise figure verification Frequency: 10 MHz to 8 GHz Output ENR: 14 dB to 16 dB VSWR: 1.25 Spectrum analyzer Rohde &...
  • Page 4 Table 1. Recommended Equipment for NI 5693 Calibration (Continued) Equipment Recommended Models Where Used Minimum Requirements (2x) Power sensor Anritsu MA2473D Test system characterization Power range: -55 dBm to 20 dBm (power sensor A) Verifications: Frequency range: 10 MHz to 8 GHz (power sensor B) •...
  • Page 5 Table 1. Recommended Equipment for NI 5693 Calibration (Continued) Equipment Recommended Models Where Used Minimum Requirements (2x) Signal Anritsu MG3692C Test system characterization Frequency range: 8 MHz to 8 GHz generator Options 2A, 3, 4, 15A, and 22 Verifications: Leveled power: -115 dBm to 18 dBm (RF source 1) •...
  • Page 6 Table 1. Recommended Equipment for NI 5693 Calibration (Continued) Equipment Recommended Models Where Used Minimum Requirements (2x) BNC (m)-to- NI 763485-01 Noise figure verification — BNC (m) cable (36 in.) (2x) BNC (m)-to- — — — BNC (m) cable SMA (m)-to- Huber+Suhner Verifications: Frequency range: DC to 8 GHz...
  • Page 7 Table 1. Recommended Equipment for NI 5693 Calibration (Continued) Equipment Recommended Models Where Used Minimum Requirements SMA (m)-to- Huber+Suhner Test system characterization Frequency range: DC to 8 GHz SMA (f) 6610_SMA-50-1/199N Verifications: Attenuation: 10 dB (nominal) 10 dB attenuator • In-band third order intercept Power rating: 2 W average •...
  • Page 8 Table 1. Recommended Equipment for NI 5693 Calibration (Continued) Equipment Recommended Models Where Used Minimum Requirements Power splitter Aeroflex/Weinschel 1593 Test system characterization Frequency range: DC to 8 GHz (two-resistor type) Verifications: Amplitude tracking: <0.25 dB • In-band third order intercept Phase tracking: <4°...
  • Page 9 Table 1. Recommended Equipment for NI 5693 Calibration (Continued) Equipment Recommended Models Where Used Minimum Requirements High frequency Agilent 87302C Test system characterization Frequency range: 500 MHz to 8 GHz power combiner Verifications: Isolation: • In-band third order intercept 500 MHz to 8 GHz ......≥19 dB •...

  • Page 10: Test Conditions

    The power splitter and attenuation response is measured at the RF input frequencies used in the verification tests. The connectors on the device under test (DUT) and test equipment are Caution fragile. Carefully perform the steps in these procedures to prevent damaging any DUTs or test equipment. 10 | ni.com | NI PXIe-5693 Calibration Procedure...

  • Page 11: Designating The Power Splitter Reference Output

    Connect power sensor B to channel B of the power meter. Figure 1 shows the completed equipment setup. Figure 1. RF Source 1 Power (Direct) Characterization Equipment Setup Power Meter Power Sensor B RF Source 1 NI PXIe-5693 Calibration Procedure | © National Instruments | 11...
  • Page 12 Repeat steps 3 through 5 for all remaining frequencies described by Table 2. Repeat steps 1 through 6 using power sensor A. This measured power is the RF Source 1 Power (Direct) 12 | ni.com | NI PXIe-5693 Calibration Procedure...

  • Page 13: Characterizing The Rf Source 2 Power (Direct)

    Measure the channel B power using the appropriate calibration factor for the power sensor frequency. This value is the RF Source 2 Power (Direct). Repeat steps 3 through 5 for all remaining frequencies described by Table 2. NI PXIe-5693 Calibration Procedure | © National Instruments | 13...

  • Page 14: Characterizing The Rf Source Power (With Splitter And Attenuator)

    Figure 3. RF Source Power (through Splitter and Attenuator) Characterization Equipment Setup RF Source 1 6 dB Attenuator SMA (m)-to-SMA (m) Cable SMA (f)-to-SMA (m) Semi-Rigid Cable Power Splitter Power Sensor B Power Sensor A Power Meter 14 | ni.com | NI PXIe-5693 Calibration Procedure...

  • Page 15: Characterizing The Rf Source Power (With Combiner, Splitter, And 20 Db Attenuator)

    Connect the RF source 1 output to connector 1 of the low frequency power combiner using the SMA (m)-to-SMA (m) cable. Connect the RF source 2 output to connector 2 of the low frequency power combiner using the SMA (m)-to-SMA (m) cable. NI PXIe-5693 Calibration Procedure | © National Instruments | 15...
  • Page 16 Characterization Equipment Setup Combiner RF Source 1 Power Sensor B Power Sensor A RF Source 2 Power Splitter Power Meter Power Combiner 20 dB Attenuator Turn off the RF source 2 output. 16 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 17 RF Source 2 through Splitter and Combiner Path Loss = RF Source 2 Power (Direct) - Channel B Power 18. Repeat steps 14 through 17 for all remaining frequencies described by Table 4. NI PXIe-5693 Calibration Procedure | © National Instruments | 17...

  • Page 18: Characterizing The Spectrum Analyzer (With Cable And 10 Db Attenuator)

    Cable and 10 dB Attenuator Loss = RF Source 1 Power (Direct) - Spectrum Analyzer Reading Repeat steps 3 through 8 for all frequencies between 4.6 GHz and 7.2 GHz, in 200 MHz steps. 18 | ni.com | NI PXIe-5693 Calibration Procedure...

  • Page 19: As-Found And As-Left Limits

    For best results, locate sources of EMI radiation as far as possible from the device under test. NI PXIe-5693 Calibration Procedure | © National Instruments | 19...
  • Page 20 Video bandwidth filter: 30 Hz • RF attenuation: 0 dB • Preamp: On • Trace type: Average • Detector type: Sample • Average count: 100 Turn off the spectrum analyzer noise source control. 20 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 21 12. Connect the NI 5693 RF OUT connector to the spectrum analyzer RF IN connector using the SMA (m)-to-SMA (m) cable (36 in.). 13. Connect the noise source output to the NI 5693 RF IN connector. NI PXIe-5693 Calibration Procedure | © National Instruments | 21...
  • Page 22 18. Record the spectrum analyzer marker amplitude. 19. Repeat steps 15 through 18 for all remaining frequencies described by Table 5. The results from steps 18 and 19 are referred to as Meas Cold (dBm). 22 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 23 Noise Figure (dB) = 10 –   Gain where N2* = Cal Hot linear N1* = Cal Cold linear N2 = Meas Hot linear N1 = Meas Cold linear NI PXIe-5693 Calibration Procedure | © National Instruments | 23...

  • Page 24: Verifying In-Band Third Order Intercept (Toi)

    BNC (m)-to-BNC (m) cable. Connect the 10 MHz clock reference output connector on the RF source 2 back panel to the clock reference connector on the spectrum analyzer using the BNC (m)-to-BNC (m) cable. 24 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 25 Span: 0 Hz • Reference level: 0 dBm • Resolution bandwidth filter: 100 Hz • Video bandwidth filter: 200 Hz • RF attenuation: 10 dB • Trace type average: Enabled NI PXIe-5693 Calibration Procedure | © National Instruments | 25...
  • Page 26 16. For each NI 5693 center frequency in Table 7, calculate the following two frequencies: • Tone 1 Frequency = NI 5693 Center Frequency + 1.2 MHz - (700 kHz/2) • Tone 2 Frequency = NI 5693 Center Frequency + 1.2 MHz + (700 kHz/2 26 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 27 32. Determine the Output Tone 2 Power value by completing the following steps: Tune the spectrum analyzer center frequency to tone 2 frequency. Measure the spectrum analyzer peak amplitude. This value is the Output Tone 2 Power. NI PXIe-5693 Calibration Procedure | © National Instruments | 27...
  • Page 28 As-Found Limit (dB) As-Left Limit (dB) 20 MHz to 150 MHz 21.6 >150 MHz to 2.5 GHz >2.5 GHz to 3.2 GHz >3.2 GHz to 5.5 GHz 17.3 >5.5 GHz to 7 GHz 17.7 28 | ni.com | NI PXIe-5693 Calibration Procedure...

  • Page 29: Verifying Out-Of-Band Toi

    Connect the 10 MHz clock reference output connector on the RF source 2 back panel to the clock reference connector on the spectrum analyzer using the BNC (m)-to-BNC (m) cable. NI PXIe-5693 Calibration Procedure | © National Instruments | 29...
  • Page 30 12. Configure the spectrum analyzer according to the following settings: • Span: 0 Hz • Reference level: -20 dBm • Resolution bandwidth filter: 100 Hz • Video bandwidth filter: 50 Hz • RF attenuation: 10 dB • Trace type averaging: Enabled 30 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 31 IMD Frequency (MHz) Tone Spacing (MHz) IMD Side Lower Lower Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper 1,540 Lower 1,580 Upper 1,980 Lower 2,020 Upper 2,490 Lower NI PXIe-5693 Calibration Procedure | © National Instruments | 31...
  • Page 32 20. Set the RF source 1 power level to have a -5 dBm target tone power at the DUT input connector using the following equation: RF Source 1 Power Level = Target Tone Power + RF Source 1 through Splitter and Combiner Path Loss 32 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 33 RF source 1 and RF source 2 power level set to -25 dBm. For steps 20 and 25, adjust the RF source target tone power to -25 dBm. NI PXIe-5693 Calibration Procedure | © National Instruments | 33...

  • Page 34: Verifying Reverse Isolation

    SMA (m)-to-SMA (m) adapter. Connect the 10 MHz clock reference output connector on the RF source 1 back panel to the spectrum analyzer REF IN connector using the BNC (m)-to-BNC (m) cable. 34 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 35 Configure the spectrum analyzer according to the following settings: • Span: 0 Hz • Reference level: 0 dBm • Resolution bandwidth filter: 1,000 Hz • Trace type average: Enabled • Detector type: Auto Peak NI PXIe-5693 Calibration Procedure | © National Instruments | 35...
  • Page 36 Table 13. Reverse Isolation Test Frequencies Filter Center Frequency (MHz) Source Frequency (MHz) 4,639.5 4,659.5 4,692.5 4,742.5 4,805.5 4,900.5 5,075.5 5,375.5 1,255 5,867.5 1,780 6,392.5 2,250 6,862.5 2,750 7,362.5 3,400 4,012.5 4,200 4,812.5 5,200 5,812.5 6,400 7,012.5 36 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 37 32. Calculate the RF output power using the following equation: RF Output Power = Channel A Power + Sensor/20 dB Attenuator/Splitter Tracking 33. Measure the peak amplitude using the spectrum analyzer. NI PXIe-5693 Calibration Procedure | © National Instruments | 37...

  • Page 38: Verifying Calibration Signal Amplitude Accuracy

    SMA (m)-to-SMA (m) adapter. Connect power sensor A to channel A on the power meter and to the NI 5693 RF OUT connector using the SMA (f)-to-SMA (m) semi-rigid cable and the 6 dB attenuator. 38 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 39 Set the power sensor A and the power sensor B settling percentage to 0.1% and program the power meter to trigger when settled. 10. Configure the power meter to read both channel A and channel B. 11. Turn on the RF source 1 output. NI PXIe-5693 Calibration Procedure | © National Instruments | 39...
  • Page 40 Calibration Signal Amplitude Accuracy = Cal Tone Power Referred to RF IN - ((Channel A Power + Splitter Balance and 6 dB Attenuator Path Loss ) - Gain) A_OUT 28. Repeat steps 22 through 27 for all the remaining frequencies described by Table 16. 40 | ni.com | NI PXIe-5693 Calibration Procedure...

  • Page 41: Adjustment

    Connect power sensor B to channel B on the power meter and to the NI 5693 RF OUT connector using the SMA (f)-to-SMA (m) semi-rigid cable and the 6 dB attenuator. NI PXIe-5693 Calibration Procedure | © National Instruments | 41...
  • Page 42 Appendix A: Test Frequencies for RF Gain Adjustment as appropriate. 12. Set the RF source 1 center frequency according to Table 19 in Appendix A: Test Frequencies for RF Gain Adjustment as appropriate. 42 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 43 14. Commit the NI 5693 settings to hardware. 15. Measure the NI 5693 RF IN power by reading the channel A power using the appropriate calibration factor for the power sensor frequency. NI PXIe-5693 Calibration Procedure | © National Instruments | 43...

  • Page 44: Adjusting Cal Tone Power Accuracy

    SMA (m)-to-SMA (m) adapter. Connect power sensor B to channel B on the power meter and to the NI 5693 RF OUT connector using the SMA (f)-to-SMA (m) semi-rigid cable and the 6 dB attenuator. 44 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 45 10. Set the power sensor A as the input sensor and the power sensor B as the output sensor. 11. Turn off the RF source 1 output. 12. Configure the power meter to read only channel B. NI PXIe-5693 Calibration Procedure | © National Instruments | 45...
  • Page 46 0.05 dB from the Cal Tone Output Power with 2 dB Attenuation value calculated in step 17. 32. Measure the NI 5693 RF IN power by reading the channel A power using the appropriate calibration factor for the power sensor frequency. 46 | ni.com | NI PXIe-5693 Calibration Procedure...

  • Page 47: Reverification

    Frequency (MHz) Low Frequency 12.5 17.5 22.5 Bypass Path 27.5 Filter 1 19.5 26.5 28.5 30.5 33.5 34.5 Filter 2 33.5 34.5 52.5 55.5 58.5 Filter 3 61.5 69.5 97.5 105.5 NI PXIe-5693 Calibration Procedure | © National Instruments | 47...
  • Page 48 1,501.5 1,528 1,535 1,548 1,557.5 1,570 1,600 Filter 10 1,520 1,540 1,560 1,573.5 1,585 1,600 1,619 1,634.5 1,650.5 1,687 1,706.5 1,738 1,758 1,770 1,796 1,838 1,873 1,898 1,935 1,978 1,992 2,012.5 2,040 48 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 49 4,954 4,995 5,037 5,050 5,087 5,110.5 5,131 5,155.5 5,179 5,206 5,230 5,283 5,306 5,330 5,348.5 5,366 5,412 5,436.5 5,463 5,485.5 5,506.5 5,529 5,577.5 5,606 5,641 5,675.5 5,718 5,755.5 5,793.5 5,840 NI PXIe-5693 Calibration Procedure | © National Instruments | 49...
  • Page 50 1,489.5 1,583.5 1,641 1,679.5 1,731.5 1,768 1,803.5 1,837 1,879.5 1,914 1,944.5 1,983.5 2,000 2,021.5 2,063 2,107 2,144 2,178 2,221 2,279 2,373 2,458 2,481.5 2,558 2,674 2,758 2,828 2,877 2,927 2,958.5 2,986 3,040 50 | ni.com | NI PXIe-5693 Calibration Procedure...

  • Page 51: Appendix B: Test Frequencies For Cal Tone Amplitude Adjustment

    139.75 146.25 158.5 159.99375 160.00625 181.25 181.5 181.75 182.75 183.5 183.75 196.25 206.25 224.99375 225.00625 232.25 232.5 234.25 235.25 235.5 249.5 274.99375 275.0125 349.9875 350.0125 549.9875 550.025 554.975 555.025 612.5 NI PXIe-5693 Calibration Procedure | © National Instruments | 51...
  • Page 52 3,465 3,466 3,489 3,490 3,514 3,515 3,533 3,537 3,538 3,558 3,562 3,563 3,588 3,590 3,599.9 3,600 3,600.1 3,610 3,611 3,638 3,639 3,650 3,666 3,667 3,671 3,687 3,689 3,718 3,719 3,725 3,747 3,748 52 | ni.com | NI PXIe-5693 Calibration Procedure...
  • Page 53 5,978 6,000 6,028 6,113 6,167 6,203 6,243 6,306 6,358 6,409 6,485 6,538 6,565 6,566 6,567 6,619 6,697 6,698 6,715 6,743 6,761 6,793 6,832 6,836 6,877 6,891 6,918 6,932 6,952 7,000 NI PXIe-5693 Calibration Procedure | © National Instruments | 53...

  • Page 54: Worldwide Support And Services

    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. NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS.

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