In practice

摘要

Many people ask about power supplies - either how to design them, or about problems due to poor design. Here's a new way to find your own answers. Pus designer is a 'freeware' program that you can download from the web site of Duncan Amplification, a British company that applies modern design techniques to valve audio amplifiers. The performance of electronic circuits - valve, solid-state, audio, RF and almost anything else you can imagine -depends critically on the quality of its power supply.