Author Archives: SouHu

5 DC Bench Power Supply Options for 2026: How to Choose

Compare five documented options by channel count, operating envelope and control needs. This is an [...]

How to Reduce Noise in a Switching DC Bench Power Supply

First distinguish electrical ripple from fan noise and measurement artefacts. Measure with a suitable probe [...]

Short-Circuit Protection in a High Voltage DC Power Supply

Protection may limit current, shut down or require a reset. Output capacitance can release stored [...]

High Voltage DC Power Supply Faults: Safe Diagnostic Checks

Start with output disabled: check input compatibility, load demand, external wiring, settings and error indications. [...]

How to Use a Variable DC Power Supply: Setup and First Power-On

With output disabled, establish the DUT voltage and current limits, verify polarity and wiring, configure [...]

How to Choose a Programmable DC Bench Power Supply

Choose from the actual test sequence: required operating points, timing, source/sink behaviour and measurements. Confirm [...]

DC Bench Power Supply Overload: Safe Checks and Troubleshooting

CC operation can be normal current limiting rather than a fault. Unexpected shutdown, overheating or [...]

How to Use a Programmable DC Power Supply Safely

Begin with a known output-off state and verified limits. Automation should explicitly configure settings, read [...]

Linear vs Switching Bench Power Supplies: Which Fits Your Test?

Choose by measured noise, power, thermal performance and transient response. A linear topology can suit [...]

Encoder vs Coarse and Fine Knobs on a Bench DC Power Supply

Knob layout determines how you enter settings, not the instrument’s accuracy by itself. Compare adjustment [...]