Author Archives: SouHu

High Voltage Power Supplies in Medical Equipment: Design Requirements

Specialized supplies can power X-ray subsystems or bias radiation detectors. General laboratory supplies are not [...]

DC Power Supplies for Battery Testing: Source, Load and Protection

A source-only supply can support a validated charging or device-power test. Discharge and repeated cycling [...]

Keithley and Tektronix DC Power Supplies: How to Compare Alternatives

Compare an exact instrument and configuration rather than treating a brand as a single specification. [...]

How to Test DC Bench Power Supply Stability

Use separate checks for line regulation, load regulation, ripple, transient recovery and long-term drift. A [...]

800V DC Power Supply Comparison: ETOMMENS, Keithley and GW Instek

The eTM-8006 lists 800V, 6A and 4800W. Keithley 2260B-800-2 and GW Instek PSW 800-2.88 list [...]

How to Choose a Variable High Voltage DC Power Supply

Select voltage, current and continuous power at the real operating point, then verify output insulation, [...]

Where to Buy a Variable DC Bench Power Supply: Buyer Checklist

Buy from a source that can identify the exact model, provide current specifications and support [...]

How a Variable DC Bench Power Supply Regulates Current

The current limit is a ceiling in CV operation. If the load demands more current, [...]

Analog vs Digital Control in a Variable Bench Power Supply

Analog/digital control, linear/switching conversion and display type describe different aspects of a supply. Digital controls [...]

Variable DC Power Supply Manufacturers: 2026 Buyer Checklist

Build a supplier shortlist from documented models, required options and support. Manufacturer names alone do [...]