How to Automate SMU Measurements Using Programming

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Modular Source Measure Unit
+ Modular Source Measure Unit
Modular Source Measure Unit
+ Modular Source Measure Unit

Automated SMU Measurement Programming

Automated source measure unit (SMU) testing requires precise control of voltage or current sourcing while simultaneously measuring electrical responses across multiple channels. The test setup typically includes a programmable SMU connected to a device under test (DUT), with control software managing measurement sequences, parameter configuration, and data acquisition. Measurement types include DC spot measurements, sweep characterization, pulsed testing, and digitized waveform capture.

The process involves defining measurement parameters such as bias levels, sweep ranges, timing intervals, and trigger conditions, then executing command sequences through a programming interface. Synchronization between channels and external triggers enables coordinated measurements across complex systems. Data is collected through automated sequences and exported for analysis, supporting repeatable and scalable testing in both development and production environments.

SMU Measurement Automation Solution

Automated SMU measurement requires programmable control of sourcing and measurement functions with precise timing and synchronization. This solution uses a high-channel-density source measure unit (SMU) system combined with Command Expert software to create, execute, and debug measurement sequences. It enables DC, pulsed, and sampling measurements while supporting multi-channel synchronization and external trigger integration. The system provides a unified interface for command discovery, syntax validation, and execution, along with code generation for multiple programming languages such as Python and C#. It supports flexible measurement configurations including sweep, list, and digitizer modes, allowing users to capture both steady-state and transient behavior. With integrated data export and automation capabilities, the solution simplifies complex measurement process and improves test efficiency.
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How to Automate SMU Measurements Using Programming

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