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Making Time Domain Measurement with Staircase Source Using SMU

Configuration Guides

Keysight Technologies Making Time Domain Measurement with Staircase Source Using SMU B2900A Precision Source/Measure Unit

Demo Guide 

Introduction

The Keysight B2900A Series Precision Source/Measure Unit (SMU) is a compact and cost-effective bench-top SMU with the capability to output and measure both voltage and current. The B2900A Series SMU enables you to make a wide range of current versus voltage (IV) measurements more accurately and quickly than ever before. In addition, the B2900A Series SMU comes with an intuitive graphical user interface (GUI) and free PC-based application software that make it easy for you to begin making productive measurements immediately. This demonstration guide shows how easily you can make a time domain measurement with sourcing staircase current or voltage using the B2900A Series SMU.

Required Instrument and Accessories

All of the accessories required to perform the demos described in this demonstration guide are provided in a demo kit that is included with Keysight B2902A/12A demo units. The kit includes items such as a Kelvin Probe Set, an LED.

Figure 2 shows the timing chart for the time domain measurement with staircase source with the front panel operation. In this case, the specified source value is sourced immediately after turning on . Then, when you press , the instrument will make a time domain measurement with staircase source. Because the B2900A series SMU has an independent trigger system for each of the source and measurement function, the multiple measurements can be made during each step of staircase source. If it is necessary, you can specify any measurement trigger delay time which is the wait time before making a measurement. The measurement time consists of Measurement Speed and some overhead time. Measurement Speed is the parameter specified by the user. Overhead time includes the time to change the measurement range, etc.

Objective

This demo illustrates the function to make a time domain measurement of voltage with sourcing staircase voltage to an LED using a Source/Measure Unit.

Procedure

1. Change View mode to Channel 1 Single View

2. Configure the condition for Time Domain Measurement

3. Change View mode to Graph View

4. Perform the measurement

5. View the measurement result graph

6. View the list of measurement results

7. (Optional) Configure the measurement speed

8. (Optional) Configure to use AUTO measurement range operation

Controlling the B2900A Series SMU using SCPI commands 

If you prefer to control the B2900A Series SMU remotely using SCPI remote commands, then the following material explains how to do this. The series of commands shown in group “A” configure the sweep condition. Next the series of commands shown in group “B” configure the trigger condition. Finally, the series of commands shown in group “C” should be sent to initiate the channel to output signal.

Conclusion

The Keysight B2900A Series Precision Source/Measure Unit (SMU) is a compact and cost-effective bench-top SMU with the capability to output and measure both voltage and current. Configuring the B2900A series SMU properly enables you not only to make a simple current versus voltage (IV) measurement, but also to make a time domain measurement with sourcing staircase sweep current or voltage as if it were an oscilloscope.

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