National Instruments PXIe-5172 Calibration Procedure
  1. Manuals
  2. Brands
  3. National Instruments Manuals
  4. Test Equipment
  5. PXIe-5172
  6. Calibration procedure

National Instruments PXIe-5172 Calibration Procedure

Hide thumbs Also See for PXIe-5172:
Table of Contents

Advertisement

Quick Links

Download this manual
CALIBRATION PROCEDURE
PXIe-5172
This document contains the verification and adjustment procedures for the PXIe-5172. Refer
to
ni.com/calibration
Contents
Required Software.....................................................................................................................2
Related Documentation.............................................................................................................2
Test Equipment..........................................................................................................................2
Test Conditions..........................................................................................................................6
Password................................................................................................................................... 7
Calibration Interval................................................................................................................... 7
As-Found and As-Left Limits................................................................................................... 7
Calibration Overview................................................................................................................ 7
Test System Characterization....................................................................................................8
Zeroing the Power Sensor................................................................................................. 8
Characterizing Power Splitter Amplitude Balance and Loss............................................8
Verification..............................................................................................................................12
Verifying DC Accuracy...................................................................................................13
Verifying AC Amplitude Accuracy.................................................................................17
Verifying 50 Ω Bandwidth.............................................................................................. 21
Verifying 1 MΩ Bandwidth.............................................................................................25
Verifying Timebase Accuracy.........................................................................................30
Verifying RMS Noise......................................................................................................31
Adjustment.............................................................................................................................. 33
Adjusting the PXIe-5172................................................................................................ 33
Adjusting 1 MΩ Compensation Attenuator ................................................................... 34
Adjusting 1 MΩ DC Reference ......................................................................................35
Adjusting 50 Ω DC Reference ....................................................................................... 35
Adjusting Timebase.........................................................................................................36
Reverification..........................................................................................................................36
Updating Verification Date and Time..................................................................................... 37
Worldwide Support and Services............................................................................................ 37
for more information about calibration solutions.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PXIe-5172 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for National Instruments PXIe-5172

Summary of Contents for National Instruments PXIe-5172

  • Page 1: Table Of Contents

    CALIBRATION PROCEDURE PXIe-5172 This document contains the verification and adjustment procedures for the PXIe-5172. Refer ni.com/calibration for more information about calibration solutions. Contents Required Software........................2 Related Documentation......................2 Test Equipment..........................2 Test Conditions..........................6 Password........................... 7 Calibration Interval........................7 As-Found and As-Left Limits....................7 Calibration Overview........................

  • Page 2: Required Software

    Required Software Calibrating the PXIe-5172 requires you to install the following software on the calibration system: • Supported application development environment (ADE)—LabVIEW 2016 or later • Verification can be performed using either of the following: – NI-SCOPE 17.1 or later. The PXIe-5172 was first supported in NI-SCOPE 17.1.
  • Page 3 – ±(0.06% of reading + 707 µV) for 2.5 V to 5.0 V test points pk-pk pk-pk – ±(0.12% of reading + 35 mV) for 20.0 V test point pk-pk PXIe-5172 Calibration Procedure | © National Instruments | 3...
  • Page 4 Pasternack PE9008 Verifications: Impedance: 50 Ω banana plug • to BNC (f) amplitude accuracy • Length: ≤1 meter BNC (m)- Fairview Verifications: to-SMA (m) Microwave • Impedance: 50 Ω • cable (x2) FMC0208315-36 amplitude accuracy 4 | ni.com | PXIe-5172 Calibration Procedure...
  • Page 5 • Frequency: DC to 101 MHz SMA (m)- Fairview Test system to-SMA (m) Microwave characterization • VSWR: <1.1 cable FMC0202317-36 • Length: ≤1 meter Verifications: • Impedance: 50 Ω • Bandwidth PXIe-5172 Calibration Procedure | © National Instruments | 5...

  • Page 6: Test Conditions

    <1.1 at 100 MHz • Impedance: 50 Ω Test Conditions The following setup and environmental conditions are required to ensure the PXIe-5172 meets published specifications: • Allow all test instruments a warm-up time of at least the stated amount of time in their specifications document.

  • Page 7: Password

    2 years As-Found and As-Left Limits The as-found limits are the published specifications for the PXIe-5172. NI uses these limits to determine whether the PXIe-5172 meets the specifications when it is received for calibration. Use the as-found limits during initial verification.

  • Page 8: Test System Characterization

    Verifying 1 MΩ Bandwidth Table 2. Power Splitter Characterization Config Test Point: Frequency (MHz) 0.05 98.1 99.1 100.1 Connect the SMA (m)-to-N (f) adapter to the power sensor. Refer to this assembly as the power sensor. 8 | ni.com | PXIe-5172 Calibration Procedure...
  • Page 9 4. 50 Ω SMA terminator (m) Configure the power sensor with the following settings: • Power measurement: continuous average • Path selection: automatic • Averaging: automatic • Averaging resolution: 4 (0.001 dB) • Aperture: 20 ms PXIe-5172 Calibration Procedure | © National Instruments | 9...
  • Page 10 14. Disconnect the power sensor and 50 Ω SMA terminator (m) from splitter output 2 and splitter output 1. 15. Connect the power sensor to splitter output 1. 16. Connect the 50 Ω SMA terminator (m) to splitter output 2. The following figure illustrates the hardware setup. 10 | ni.com | PXIe-5172 Calibration Procedure...
  • Page 11 22. Calculate the splitter balance for each frequency point using the following equation: splitter balance = splitter output 2 power - splitter output 1 power 23. Calculate the splitter loss for each frequency point using the following equation: PXIe-5172 Calibration Procedure | © National Instruments | 11...

  • Page 12: Verification

    Verification of the PXIe-5172 is complete only after you have successfully completed all tests in this section using the As-Found Limits. Refer to the following figure for the names and locations of the PXIe-5172 front panel connectors. You can find information about the functions of these connectors in the device getting started guide.

  • Page 13: Verifying Dc Accuracy

    +5V MAX +5V MAX Verifying DC Accuracy This procedure verifies the DC accuracy of the PXIe-5172 by comparing the voltage measured by the device to the value sourced by the voltage standard. Caution Avoid touching the connections when generating a high voltage from the calibrator.
  • Page 14 ± 5 °C, where Factory T = 23 °C. Uncertainty of the 9500B includes long-term stability of 1 year, temperature coefficient, linearity, load, and line regulation and traceability of factory and National Calibration Standard. 14 | ni.com | PXIe-5172 Calibration Procedure...
  • Page 15 ± 5 °C, where Factory T = 23 °C. Uncertainty of the 9500B includes long-term stability of 1 year, temperature coefficient, linearity, load, and line regulation and traceability of factory and National Calibration Standard. PXIe-5172 Calibration Procedure | © National Instruments | 15...
  • Page 16 10. Disable the calibrator output. 11. Connect the calibrator test head to channel 1 of the PXIe-5172 using an SMB (plug) to BNC (f) adapter and repeat steps 2 through 8 for each configuration listed in the Accuracy Verification table.

  • Page 17: Verifying Ac Amplitude Accuracy

    13. Connect the calibrator test head to channel 2 of the PXIe-5172 using an SMB (plug) to BNC (f) and repeat steps 2 through 8 for each configuration listed in the DC Accuracy Verification table. 14. Disable the calibrator output.
  • Page 18 ±0.25 ±0.18 ±0.048 Measurement Uncertainty is based on the following equipment and conditions: • NI PXI-4071 specifications apply after self-calibration is performed and in an ambient temperature of 23 °C ± 5 °C. 18 | ni.com | PXIe-5172 Calibration Procedure...
  • Page 19 3. BNC (f) to Double Banana Plug 7. SMA (m)-to-SMB (plug) adapter 4. PXIe-5172 Connect the DMM and function generator to channel 0 of the PXIe-5172 as shown in the AC Verification Test Connections figure. Configure the DMM with the following settings: •...
  • Page 20 11. Disable the function generator output. 12. Connect the DMM and function generator to channel 1 of the PXIe-5172 as shown in the AC Verification Test Connections figure and repeat steps 2 through 9 for each configuration listed in the AC Amplitude Accuracy Verification table.

  • Page 21: Verifying 50 Ω Bandwidth

    18. Connect the DMM and function generator to channel 4 of the PXIe-5172 as shown in the AC Verification Test Connections figure and repeat steps 2 through 9 for each configuration listed in the AC Amplitude Accuracy Verification table. 19. Disable the function generator output.
  • Page 22 Connect splitter output 2 of the power sensor assembly from the Test System Characterization section to channel 0 of the PXIe-5172 using an SMB (plug) to SMB (m) adapter. Note The power sensor assembly must match the configuration used in the...
  • Page 23 8. Signal generator Configure the power sensor with the following settings: • Power measurement: continuous average • Path selection: automatic • Averaging: automatic • Averaging resolution: 4 (0.001 dB) • Aperture: 20 ms PXIe-5172 Calibration Procedure | © National Instruments | 23...
  • Page 24 Test System Characterization section for the current Test Point Frequency. Use the PXIe-5172 to acquire and measure the power using the Extract Single Tone Information VI, converting the result from Vpk to dBm. Record the result as device input power.

  • Page 25: Verifying 1 Mω Bandwidth

    17. Connect splitter output 2 of the power sensor assembly to channel 1 of the PXIe-5172 and repeat steps 3 through 14 for each configuration listed in the 50 Ω Bandwidth Verification table. 18. Disable the signal generator output. 19. Connect splitter output 2 of the power sensor assembly to channel 2 of the PXIe-5172 and repeat steps 3 through 14 for each configuration listed in the 50 Ω...
  • Page 26 ±0.134 Measurement uncertainty is based on the following equipment and conditions: • Rohde & Schwarz NRP-Z91 at 20 °C to 25 °C. • Harmonics from the signal generator are less than -30 dBc. 26 | ni.com | PXIe-5172 Calibration Procedure...
  • Page 27 1 and the signal generator is connected to the input port of the power splitter. The following figure illustrates the hardware setup. PXIe-5172 Calibration Procedure | © National Instruments | 27...
  • Page 28 8. SMA (f)-to-N (m) adapter 4. Power splitter 9. Signal generator 5. 50 Ω SMA feed-thru terminator Configure the power sensor with the following settings: • Power measurement: Continuous average • Path selection: automatic • Averaging: automatic 28 | ni.com | PXIe-5172 Calibration Procedure...
  • Page 29 Test System Characterization section for the current Test Point Frequency. Use the PXIe-5172 to acquire and measure the power using the Extract Single Tone Information VI, converting the result from Vpk to dBm. Record the result as device input power.

  • Page 30: Verifying Timebase Accuracy

    17. Connect splitter output 2 of the power sensor assembly from the Test System Characterization section to channel 1 of the PXIe-5172. Repeat steps 3 through 14 for each configuration in the 1 MΩ Bandwidth Verification Table. 18. Disable the signal generator output.

  • Page 31: Verifying Rms Noise

    Connect the calibrator test head to channel 0 of the PXIe-5172 using an SMB (plug) to BNC (f) adapter. Configure the PXIe-5172 with the following settings: • Input impedance: 50 Ω • Maximum input frequency: 100 MHz • Vertical range: 1.4 V pk-pk •...
  • Page 32 Repeat steps 2 through 4 for each configuration listed in the RMS Noise Verification table. Connect the 50 Ω SMB terminator (plug) to channel 1 of the PXIe-5172 and repeat steps 2 through 4 for each configuration listed in the RMS Noise Verification table.

  • Page 33: Adjustment

    2 through 4 for each configuration listed in the RMS Noise Verification table. 10. Connect the 50 Ω SMB terminator (plug) to channel 5 of the PXIe-5172 and repeat steps 2 through 4 for each configuration listed in the RMS Noise Verification table.

  • Page 34: Adjusting 1 Mω Compensation Attenuator

    Adjusting 1 MΩ Compensation Attenuator Follow this procedure to adjust the 1 MΩ compensation attenuator of the PXIe-5172. Connect the calibrator test head to the specified channel of the PXIe-5172 using an SMB (plug) to BNC (f) adapter. Call the niHsai Group A External Cal API v1 Host.lvclass:Compensated Attenuator Cal Initialize VI with the following settings: •...

  • Page 35: Adjusting 1 Mω Dc Reference

    Avoid touching the connections when generating a high voltage from the calibrator. Connect the calibrator test head to the specified channel of the PXIe-5172 using an SMB (plug) to BNC (f) adapter. Call the niHsai Group A External Cal API v1 Host.lvclass:DC Reference Cal Initialize VI with the following settings: •...

  • Page 36: Adjusting Timebase

    Adjusting Timebase Follow this procedure to adjust the internal timebase reference of the PXIe-5172. Connect the calibrator test head to the specified channel of the PXIe-5172 using an SMB (plug) to BNC (f) adapter. Call the niHsai Group A External Cal API v1 Host.lvclass:Timebase Cal Initialize VI with the following settings: •...

  • Page 37: Updating Verification Date And Time

    Updating Verification Date and Time This procedure updates the date and time of the last PXIe-5172 verification. Prior to updating the verification date and time, you must successfully complete all required verifications or reverifications following adjustment.
  • Page 38 NI trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering NI products/technology, refer to the appropriate location: Help»Patents in your software, the file on your media, or the National Instruments Patent Notice at . You can find patents.txt ni.com/patents...

Table of Contents