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CALIBRATION PROCEDURE

NI PXIe-5653

This document contains the verification and adjustment procedures for the National Instruments 
PXIe-5653 RF synthesizer (NI 5653). Refer to 

ni.com/calibration

 for more information 

about calibration solutions.

Contents

Software.................................................................................................................................... 2
Documentation.......................................................................................................................... 2
Test Equipment......................................................................................................................... 2
Test Conditions......................................................................................................................... 5
Initial Setup............................................................................................................................... 5
Self-Calibrating the NI 5653 .................................................................................................... 5
As-Found and As-Left Limits................................................................................................... 6
Verification............................................................................................................................... 6

Verifying 10 MHz Reference Frequency Accuracy ......................................................... 6
Verifying 10 MHz Reference Amplitude Accuracy......................................................... 7
Verifying 100 MHz Reference Frequency Accuracy ....................................................... 7
Verifying 100 MHz Reference Amplitude Accuracy....................................................... 8
Verifying LO1 Frequency Accuracy ................................................................................ 9
Verifying LO1 Amplitude Accuracy................................................................................ 10
Verifying LO2 Amplitude Accuracy................................................................................ 10
Verifying LO3 Amplitude Accuracy................................................................................ 11
Verifying LO1 Phase Noise.............................................................................................. 11
Verifying LO2 Phase Noise.............................................................................................. 12
Verifying LO3 Phase Noise.............................................................................................. 14

Adjustment................................................................................................................................ 15

Adjusting Reference Accuracy......................................................................................... 15
Adjusting YIG Frequency ................................................................................................ 16
Adjusting LO1, LO2, and LO3 Output Power ................................................................. 17

EEPROM Update ..................................................................................................................... 17
Reverification ........................................................................................................................... 17

Reverifying 10 MHz Reference Amplitude Accuracy ..................................................... 18
Reverifying 100 MHz Reference Amplitude Accuracy ................................................... 18
Reverifying LO1 Amplitude Accuracy ............................................................................ 18
Reverifying LO2 Amplitude Accuracy ............................................................................ 19
Reverifying LO3 Amplitude Accuracy ............................................................................ 19
Reverifying Other Device Performance Specifications.................................................... 20

Worldwide Support and Services ............................................................................................. 20

Summary of Contents for NI PXIe-5653

Page 1: ...racy 7 Verifying 100 MHz Reference Amplitude Accuracy 8 Verifying LO1 Frequency Accuracy 9 Verifying LO1 Amplitude Accuracy 10 Verifying LO2 Amplitude Accuracy 10 Verifying LO3 Amplitude Accuracy 11 V...

Page 2: ...ent environments ADE When you install the software you need to install support only for the ADE that you intend to use Documentation You might find the following documents helpful as you perform the c...

Page 3: ...g LO3 Phase Noise Adjusting Reference Accuracy Adjusting YIG Frequency Accuracy Frequency range 9 MHz to 10 GHz Frequency accuracy 1 ppb over the frequency range 900 MHz to 9 GHz recommended Noise flo...

Page 4: ...m Frequency range 9 MHz to 8 3 GHz Accuracy 0 5 Linearity Up to 15 dBm MA2475 only SMA m to SMA m Cable Verifying 10 MHz Reference Frequency Accuracy Verifying 100 MHz Reference Frequency Accuracy Ver...

Page 5: ...and the calibrator into the same power strip to avoid ground loops Use a torque wrench appropriate for the type of RF connector that you are using NI recommends a 0 565 N m 5 lb in wrench for SMA conn...

Page 6: ...ncy Accuracy This verification ensures that the internal oven controlled crystal oscillator OCXO is adjusted for correct frequency accuracy Complete the following procedure to determine the as found s...

Page 7: ...the signal generation status and verify that there are no reported errors or warnings 6 After correcting for the measurement frequency use the power meter to measure the NI 5653 REF OUT 10 MHz front...

Page 8: ...ng 100 MHz Reference Amplitude Accuracy This verification ensures that the 100 MHz reference circuitry is adjusted for correct amplitude accuracy Complete the following procedure to determine the as f...

Page 9: ...and commit the settings to hardware 6 Check the signal generation status and verify that there are no reported errors or warnings 7 Configure the signal source analyzer as follows Center frequency Fre...

Page 10: ...he power meter to measure the NI 5653 LO1 front panel connector power 8 Calculate the power deviation PDeviation using the following formula 9 Repeat steps 5 through 8 for each point in the frequency...

Page 11: ...nternal LO1 circuitry is adjusted for correct phase noise accuracy Complete the following procedure to determine the as found status of the NI 5653 1 Connect the NI 5653 LO1 front panel connector to t...

Page 12: ...Ensure that the recorded measurements are within the limits set in Table 3 Verifying LO2 Phase Noise This verification ensures that the internal LO2 circuitry is adjusted for correct phase noise accu...

Page 13: ...verify that there are no reported errors or warnings 8 Use the signal source analyzer to measure the phase noise Record the results 9 Close the device session 10 Ensure that the recorded measurements...

Page 14: ...zer to perform a manual frequency sweep at the settings listed in Table 6 5 Set the RF frequency to 4 GHz and commit the settings to hardware 6 If your signal source analyzer does not automatically ce...

Page 15: ...This adjustment yields a more accurately tuned VCO frequency 1 Connect the NI 5653 REF OUT 10 MHz front panel connector to the signal source analyzer RF IN front panel connector 2 Connect the signal...

Page 16: ...nce using a signal source analyzer 1 Connect the NI 5653 LO1 front panel connector to the signal source analyzer RF IN front panel connector 2 Connect the signal source analyzer REF IN rear panel conn...

Page 17: ...ameter returns a value of TRUE 7 Close the external calibration session Store the results to the EEPROM on the device 8 Disconnect the NI 5653 LO1 front panel connector from the power meter and connec...

Page 18: ...uracy This reverification ensures that the 100 MHz reference circuitry is adjusted for correct amplitude accuracy following adjustment Complete the following procedure to determine the as left status...

Page 19: ...is reverification ensures that the internal LO2 circuitry is adjusted for correct amplitude accuracy following adjustment Complete the following procedure to determine the as left status of the NI 565...

Page 20: ...t status of the device Worldwide Support and Services The National Instruments website is your complete resource for technical support At ni com support you have access to everything from troubleshoot...

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