I was just reading a LinkedIn message regarding methods that could be used to load-test a power supply. The original poster wanted a method to do some active load testing inexpensively. He wanted to ...

(Note: Part 1 of this article examined the typical lab setup and powering the circuit under test. Click here to read Part 1.) Most dc/dc power-converter circuits have input capacitors and output ...

This dummy-load circuit has been in use at Maxim for more than 10 years (see the figure). It's useful for testing power supplies and power amplifiers as well as drivers for LEDs, relays, and solenoids ...