National Instruments NI PXIe-4141 User Manual Download

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CALIBRATION PROCEDURE

NI PXIe-4141

Four Channel Precision Source-Measure Unit (SMU)

This document contains the verification and adjustment procedures for the NI PXIe-4141
(NI 4141). Refer to

for more information about calibration solutions.

Contents

Summary of Contents for NI PXIe-4141

Page 1: ...e Output and Measurement 5 Current Output and Measurement 7 Remote Sense 9 Adjustment 12 Adjusted Specifications 13 Self Calibrating 13 Initiating the Adjustment Session 13 Connecting and Configuring...

Page 2: ...all required software from ni com downloads Related Documentation You might find the following documents helpful as you perform the calibration procedure NI DC Power Supplies and SMUs Getting Started...

Page 3: ...olerance 1 4 W Two 100 k resistors Vishay PTF65100K00BYEK Current remote sense 0 1 tolerance 1 4 W Test Conditions The following setup and environmental conditions are required to ensure the NI 4141 m...

Page 4: ...Cs on the device Set the niDCPower Aperture Time Units property or NIDCPOWER_ATTR_APERTURE_TIME_UNITS to power line cycles Do not use the NI DCPower Soft Front Panel SFP to request test points for any...

Page 5: ...3 Adjustment Adjust the calibration constants of the NI 4141 4 Reverification Repeat the Verification procedure to ensure that the device is operating within the published specifications after adjust...

Page 6: ...d by the NI 4141 Refer to the following table as you complete the following steps Table 2 Voltage Output and Measurement Verification Level Range Limit Range and Limit Test Point As Found Output Test...

Page 7: ...e NI 4141 up to this step 10 If more than one level range is specified repeat the previous steps using the values specified in each level range Current Output and Measurement Connecting and Configurin...

Page 8: ...V 1 mA 0 03 30 nA 0 03 30 nA 750 A 500 A 250 A 0 mA 250 A 500 A 750 A 1 mA 10 mA 10 V 10 mA 0 03 300 nA 0 03 300 nA 0 mA 10 mA 100 mA 10 V 100 mA 0 03 3 0 A 0 03 3 0 A 0 mA 100 mA 1 Set the first spec...

Page 9: ...a current measurement solely with the NI 4141 in order to ensure that the output current is zero In calculations for zero current test points substitute 0 A for the DMM Measured Current 10 If more tha...

Page 10: ...ent as Lead Drop 4 Measure the load voltage with DMM2 across Load2 where the sense leads connect Record the measurement as Load Voltage 5 Calculate the upper and lower voltage remote sense test limits...

Page 11: ...racy Use the NI 4141 in constant current mode with a test circuit to simulate the voltage drop between the device and a load Measure all of the specified resistors using the DMM before you connect equ...

Page 12: ...d drop using the following equation Total Lead Drop Lead Drop 1 Lead Drop 2 Record the value 4 Calculate the upper and lower current remote sense test limits using the following equation Current Remot...

Page 13: ...ctions to the device 2 Ensure the device had 30 minutes to warm up with the PXI chassis fans set to HIGH 3 Initialize an NI DCPower session 4 Call the self calibration function 5 Close the NI DCPower...

Page 14: ...ng steps Table 6 Voltage Measurement Adjustment Level Range Limit Range and Limit Test Point 10 V 1 mA 10 V 10 V 1 Set the first specified level range limit range and limit on the NI 4141 2 Set the le...

Page 15: ...wn in the following figure Figure 7 Current Verification or Adjustment Connection Diagram NI DCPower Device Sense LO Sense HI HI LO DMM Current Mode 2 Set the niDCPower Output Function property or NID...

Page 16: ...points disconnect all external equipment from the I O connector on the NI 4141 and take a current measurement solely with the NI 4141 in order to ensure that the output current is zero In calculations...

Page 17: ...DCPower_CalAdjustResidualCurrentOffset function Closing the Adjustment Session Close the session and commit the new constants to hardware by calling the niDCPower Close External Calibration VI or niDC...

Page 18: ...Installation Services repairs extended warranty and other services Visit ni com register to register your National Instruments product Product registration facilitates technical support and ensures t...

Page 19: ...provide up to date contact information support phone numbers email addresses and current events NI PXIe 4141 Calibration Procedure National Instruments 19...

Page 20: ...d third party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for the National Instruments global trade compliance pol...