NI PXIe-5170R Calibration Procedure

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CALIBRATION PROCEDURE

NI PXIe-5170R

This document contains the verification and adjustment procedures for the NI PXIe-5170R

(NI 5170R). Refer to

Contents

Required Software.....................................................................................................................1

Related Documentation.............................................................................................................2

Test Equipment..........................................................................................................................2

Test Conditions..........................................................................................................................5

Password................................................................................................................................... 6

Calibration Interval................................................................................................................... 6

As-Found and As-Left Limits................................................................................................... 6

Measurement Uncertainty......................................................................................................... 6

Calibration Overview................................................................................................................ 6

Test System Characterization....................................................................................................7

Zeroing the Power Sensor................................................................................................. 7

Characterizing Power Splitter Amplitude Imbalance....................................................... 7

Verification..............................................................................................................................10

Verifying Timebase Accuracy......................................................................................... 11

Verifying DC Accuracy...................................................................................................12

Verifying AC Amplitude Accuracy.................................................................................14

Verifying Flatness and Bandwidth.................................................................................. 18

Adjustment.............................................................................................................................. 21

Adjusting DC.................................................................................................................. 21

Adjusting Timebase.........................................................................................................22

Reverification..........................................................................................................................23

Updating Verification Date and Time..................................................................................... 23

Worldwide Support and Services............................................................................................ 23

Required Software

Calibrating the NI 5170R requires you to install the following software on the calibration

system:

•

LabVIEW Instrument Design Libraries for Reconfigurable Oscilloscopes. The NI 5170R

was first supported in LabVIEW Instrument Design Libraries for Reconfigurable

Oscilloscopes 14.0.

You can download all required software from ni.com/downloads.

ni.com/calibration

for more information about calibration solutions.

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Page 1: Table Of Contents
Reverification..........................23 Updating Verification Date and Time..................23 Worldwide Support and Services.................... 23 Required Software Calibrating the NI 5170R requires you to install the following software on the calibration system: • LabVIEW Instrument Design Libraries for Reconfigurable Oscilloscopes. The NI 5170R was first supported in LabVIEW Instrument Design Libraries for Reconfigurable Oscilloscopes 14.0.
Page 2: Related Documentation
The latest versions of these documents are available from ni.com/manuals. Test Equipment This section lists the equipment required to calibrate the NI 5170R. If you do not have the recommended equipment, select a substitute calibration standard using the specifications listed in the table.
Page 3 BNC (f) • AC amplitude accuracy SMA (m)-to- — Verifications: Frequency range: DC to BNC (m) cable 275 MHz • AC amplitude (x2) accuracy Impedance: 50 Ω Length: <1 meter NI PXIe-5170R Calibration Procedure | © National Instruments | 3...
Page 4 VSWR: <1.08 • Flatness and Amplitude tracking: bandwidth <0.5 dB 50 Ω SMA Fairview Microwave Test system Frequency range: DC to terminator (f) ST1825F characterization 275 MHz VSWR: <1.05 Impedance: 50 Ω 4 | ni.com | NI PXIe-5170R Calibration Procedure...
Page 5: Test Conditions
10 This section provides instructions for verifying the device specifications. Test Conditions The following setup and environmental conditions are required to ensure the NI 5170R meets published specifications: • The NI 5170R is warmed up for 15 minutes at ambient temperature. Warm-up begins after the chassis is powered, the device is recognized by the host, and the ADC clock is configured using either instrument design libraries or the NI-SCOPE device driver.
Page 6: Password
Recommended calibration interval As-Found and As-Left Limits The as-found limits are the published specifications for the NI 5170R. NI uses these limits to determine whether the NI 5170R meets the device specifications when it is received for calibration. Use the as-found limits during initial verification.
Page 7: Test System Characterization
Connect an SMA (f)-to-N (f) adapter to the power sensor. Refer to this assembly as the power sensor. Zero the power sensor as described in the Zeroing the Power Sensor section. NI PXIe-5170R Calibration Procedure | © National Instruments | 7...
Page 8 Configure the signal generator to generate a sine waveform with the following characteristics: • Frequency: the Test Point Frequency value from the Power Splitter Characterization table • Amplitude level: the Test Point Amplitude value from the Power Splitter Characterization table 8 | ni.com | NI PXIe-5170R Calibration Procedure...
Page 9 15. Configure the signal generator to generate a sine waveform with the following characteristics: • Frequency: the Test Point Frequency value from the Power Splitter Characterization table • Amplitude level: the Test Point Amplitude value from the Power Splitter Characterization table NI PXIe-5170R Calibration Procedure | © National Instruments | 9...
Page 10: Verification
Verification of the NI 5170R 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 NI 5170R front panel connectors. You can find information about the functions of these connectors in the device getting started guide.
Page 11: Verifying Timebase Accuracy
2 This section lists the equipment required to calibrate the NI 5170R. Verifying Timebase Accuracy Follow this procedure to verify the frequency accuracy of the NI 5170R onboard timebase using an oscilloscope calibrator. Table 3. Timebase Accuracy Verification...
Page 12: Verifying Dc Accuracy
Timebase verification is only required on one channel. Verifying DC Accuracy Follow this procedure to verify the DC accuracy of the NI 5170R by comparing the voltage measured by the NI 5170R to the value sourced by the voltage standard.
Page 13 -2.25 ±25.6 ±7.15 ±0.61 Connect the SMA (m)-to-BNC (f) adapter to channel 0 of the NI 5170R. Connect the calibrator test head to the SMA (m)-to-BNC (f) adapter. Configure the NI 5170R with the following settings: • Bandwidth: the Bandwidth value from the DC Accuracy Verification table •...
Page 14: Verifying Ac Amplitude Accuracy
Verifying AC Amplitude Accuracy Follow this procedure to verify the AC amplitude accuracy of the NI 5170R by comparing the 50 kHz AC voltage measured by the NI 5170R to the 50 kHz AC voltage measured by the DMM. Refer to the following table as you complete the following steps: Measurement Uncertainty is based on the following equipment and conditions: •...
Page 15 0.05 0.14 ±0.15 ±0.025 ±0.006 Bandwidth Full 0.34 ±0.15 ±0.025 ±0.007 Bandwidth Full 0.70 ±0.15 ±0.025 ±0.006 Bandwidth Full 1.40 ±0.15 ±0.025 ±0.005 Bandwidth Full 3.50 ±0.15 ±0.025 ±0.007 Bandwidth NI PXIe-5170R Calibration Procedure | © National Instruments | 15...
Page 16 7. NI 5402 4. SMA (m)-to-BNC (m) cable 8. DMM Connect the DMM and function generator to channel 0 of the NI 5170R as shown in the AC Verification Test Connections figure. Configure the DMM with the following settings: •...
Page 17 10. Repeat steps 2 through 8 for each configuration listed in the AC Amplitude Accuracy Verification table. 11. Connect the DMM and function generator to channel 1 of the NI 5170R 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 18: Verifying Flatness And Bandwidth
17. Connect the DMM and function generator to channel 7 of the NI 5170R 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 19 Bandwidth: the Bandwidth value from the Flatness and Bandwidth Verification table • Vertical range: the Vertical Range value from the Flatness and Bandwidth Verification table • Sample rate: 250 MS/s • Number of samples: 1,048,576 samples NI PXIe-5170R Calibration Procedure | © National Instruments | 19...
Page 20 13. Repeat steps 2 through 12 for each configuration in the Flatness and Bandwidth Verification table. 14. Connect splitter output 2 of the power sensor assembly to channel 1 of the NI 5170R and repeat steps 2 through 12 for each configuration listed in the Flatness and Bandwidth Verification table.
Page 21: Adjustment
17. Connect splitter output 2 of the power sensor assembly to channel 4 of the NI 5170R and repeat steps 2 through 12 for each configuration listed in the Flatness and Bandwidth Verification table. 18. Connect splitter output 2 of the power sensor assembly to channel 5 of the NI 5170R and repeat steps 2 through 12 for each configuration listed in the Flatness and Bandwidth Verification table.
Page 22: Adjusting Timebase
13. Connect the calibrator test head to the channel 2 input of the NI 5170R using the SMA (m)-to-BNC (f) adapter and repeat steps 5 through 11, changing the value of the channels parameter from 1 to 2. 14. Connect the calibrator test head to the channel 3 input of the NI 5170R using the SMA (m)-to-BNC (f) adapter and repeat steps 5 through 11, changing the value of the channels parameter from 2 to 3.
Page 23: Reverification
Note If any test fails reverification after performing an adjustment, verify that you have met the Test Conditions before returning your device to NI. Refer to the Worldwide Support and Services section for information about support resources or service requests.
Page 24 . You can find information about end-user license agreements (EULAs) ni.com/patents and third-party legal notices in the readme file for your NI product. Refer to the Export Compliance Information at ni.com/ for the NI global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other legal/export-compliance import/export data.

NI PXIe-5170R Calibration Procedure

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