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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

for more information about calibration solutions.

Contents

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

Содержание PXIe-5170R

Страница 1: ...ng 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 Adj...

Страница 2: ...ng the specifications listed in the table Table 1 NI 5170R Test Equipment Equipment Recommended Model Where Used Minimum Requirements Oscilloscope calibrator Fluke 9500B 600 with Fluke 9530 Active Hea...

Страница 3: ...Amplitude Range 0 1 Vpk pk to 3 5 Vpk pk into 50 SMA Tee f f f Fairview Microwave SM4942 Verifications AC amplitude accuracy Impedance 50 SMA m to SMA m adapter x2 Fairview Microwave SM4960 Test syst...

Страница 4: ...Hz 0 031 dB for 100 MHz to 275 MHz VSWR 1 11 Signal generator Rhode Schwartz SMA100A Test system characterization Verifications Flatness and bandwidth Frequency range 50 kHz to 275 MHz Amplitude range...

Страница 5: ...s 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 librar...

Страница 6: ...bility that the instrument will be outside the published specification limits at the end of the calibration cycle Use the as left limits when performing verification after adjustment Measurement Uncer...

Страница 7: ...est equipment used during verification Caution The connectors on the device under test DUT and test equipment are fragile Perform the steps in these procedures with great care to prevent damaging any...

Страница 8: ...onnect the power sensor to splitter output 2 The following figure illustrates the hardware setup Figure 1 Connection Diagram for Measuring at Splitter Output 2 1 3 8 6 7 6 5 4 2 1 Signal Generator 2 S...

Страница 9: ...litter output 1 14 Connect the 50 SMA terminator f to splitter output 2 The following figure illustrates the hardware setup Figure 2 Connection Diagram for Measuring at Splitter Output 1 1 6 5 4 5 3 7...

Страница 10: ...r assembly The power sensor assembly will be used in the Verifying Flatness and Bandwidth procedure Related Information Verifying Flatness and Bandwidth on page 18 Follow this procedure to verify the...

Страница 11: ...ted Information Test Equipment on page 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 N...

Страница 12: ...ation 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 th...

Страница 13: ...figure the NI 5170R with the following settings Bandwidth the Bandwidth value from the DC Accuracy Verification table Vertical range the Vertical Range value from the DC Accuracy Verification table Sa...

Страница 14: ...f adapter and repeat steps 3 through 9 for each configuration listed in the DC Accuracy Verification table 16 Connect the calibrator test head to channel 6 of the NI 5170R using the SMA m to BNC f ad...

Страница 15: ...s Left Limit dB Measurement Uncertainty dB 3 1 Full Bandwidth 0 2 0 05 0 14 0 15 0 025 0 006 2 Full Bandwidth 0 4 0 5 0 34 0 15 0 025 0 007 3 Full Bandwidth 1 0 5 0 70 0 15 0 025 0 006 4 Full Bandwidt...

Страница 16: ...erator to channel 0 of the NI 5170R as shown in the AC Verification Test Connections figure 2 Configure the DMM with the following settings Function AC voltage Resolution 6 5 digits Min frequency 49 k...

Страница 17: ...repeat steps 2 through 9 for each configuration listed in the AC Amplitude Accuracy Verification table 12 Connect the DMM and function generator to channel 2 of the NI 5170R as shown in the AC Verifi...

Страница 18: ...dth 1 50 1 7 5 0 50 0 32 0 12 3 Full Bandwidth 1 90 1 7 5 1 00 to 0 50 0 63 to 0 25 0 14 4 Full Bandwidth 1 100 1 7 5 3 00 to 0 50 2 63 to 0 13 0 14 1 Connect splitter output 2 of the power sensor ass...

Страница 19: ...to SMA m Adapter 4 Power Splitter 5 SMA m to SMA m Adapter 6 NI 5170R 7 SMA m to SMA m Cable 8 SMA f to N m adapter 9 Signal Generator 2 Configure the NI 5170R with the following settings Bandwidth th...

Страница 20: ...te the power reference using the following equation power reference device input power corrected input power 10 Proceed to step 13 The power error is not calculated for this configuration 11 Calculate...

Страница 21: ...e NI 5170R to meet published specifications Adjusting DC Follow this procedure to adjust the DC gain and offset of the NI 5170R 1 Call the niHSAI Open Ext Cal Session VI to obtain an external calibrat...

Страница 22: ...BNC f adapter and repeat steps 5 through 11 changing the value of the channels parameter from 6 to 7 19 Disable the calibrator output 20 Call the niHSAI Close Ext Cal Session VI with the following set...

Страница 23: ...ter 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...

Страница 24: ...provide up to date contact information support phone numbers email addresses and current events Refer to the NI Trademarks and Logo Guidelines at ni com trademarks for information on NI trademarks Ot...

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