DC Power Supplies
DC Power Supplies
DC power supplies provide a stable, regulated direct current voltage and current output for powering electronic circuits, components, and systems under test. Available in single-output, dual-output, and multi-output configurations, they range from compact benchtop units for engineering labs to high-current rack-mount systems for production test and industrial automation. Key performance parameters include output voltage and current range, load and line regulation, ripple and noise, and support for programming interfaces such as GPIB, USB, and LAN.
Modern DC power supplies are increasingly programmable and autorangeable, offering seamless transitions between voltage and current ranges and remote control via standard interfaces. Specialized probe power supplies provide low-current, low-noise outputs tailored for active oscilloscope probes, preserving signal measurement accuracy in sensitive setups.
Typical Applications
- Powering and debugging circuits and PCBs during electronics development
- Automated functional and parametric testing of electronic assemblies on production lines
- Supplying power to sensors, actuators, and instrumentation in industrial systems
- High-voltage DC sourcing for insulation resistance and dielectric breakdown testing
- Powering active probes in oscilloscope measurement setups
- Bias supply for RF amplifiers and microwave components in communications R&D
Popular Brands
Keysight Technologies offers a broad range from compact E36100 benchtop supplies to high-power N5700 series rack-mount units. B&K Precision provides cost-effective options for educational and production environments. Tektronix supplies dedicated probe power supplies for its oscilloscope probe lines. Keithley specializes in precision low-current and high-voltage DC sourcing instruments suited for semiconductor and materials characterization.
