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Featured Variable/Adjustable DC Power Supply
Keithley 2230 Series: Versatile, Programmable
Power your tests with up to 375W across three independent channels in a compact benchtop design. With high accuracy, low noise, and flexible control, it's ideal for demanding applications
- Multi-Channel Power – Up to 375W total
- Precision Control – Adjustable voltage & current
- Low Noise & High Accuracy – Protects sensitive components
- Compact & Versatile – Perfect for R&D, education, and test labs
Find the Variable/Adjustable Power Supply for Your Application
Browse Types of Power Supplies
How Engineers Use Variable Power Supplies
Prototyping and Product Development
A variable power supply lets engineers fine-tune voltage and current during circuit design and prototyping. This flexibility helps test new components, troubleshoot unexpected issues, and optimize efficiency before production. With adjustable power, engineers can simulate real-world conditions and ensure reliable performance.
Reliable Testing for Sensitive Electronics
Stable, low-noise power is crucial for precision analog, RF, and low-power devices. A variable power supply prevents component damage while ensuring accurate, interference-free measurements. Whether testing medical devices, sensors, or communication circuits, clean power is essential for repeatable results.
Automated Test and Validation
In production and validation, programmable variable power supplies streamline testing by automating voltage sweeps, stress tests, and device characterization. With remote control and integration into automated setups, they improve efficiency, reduce errors, and ensure consistent quality.
Expert Tips for DC Power Supply Measurement
The 10 Stages of Design
Designing a reliable power supply requires careful planning, precise testing, and the right tools. Our Power Supply Measurement Tips guide walks you through the 10 essential stages of power supply design—from component selection to EMI troubleshooting and final validation. Whether you're optimizing efficiency, ensuring compliance, or troubleshooting issues, these expert insights will help you achieve better performance and faster time to market. And if you're selecting a new power supply, these tips will guide you in making the right choice. Because the best power supply isn’t just about specs—it’s about how you test and refine your design.
Optimize Your Workflow with a Variable Power Supply
A variable power supply provides precise, adjustable voltage and current for circuit testing, device validation, and troubleshooting. With clean, stable output and real-time control, it ensures accurate, repeatable measurements in R&D, production, and educational labs. Watch the video to see how it enhances your testing workflow.
