Showing posts with label Rigol. Show all posts
Showing posts with label Rigol. Show all posts

2020/05/02

How to measure power supply noise

I recently built a power supply board using LM2596S-3.3 and I wanted to find out about its output noise. Below is a quick write up on how I did it with my RIGOL DS1102E scope.

Wiring Diagram

First, wire up the DUT (LM2596 Board) and the rest of the equipment according to the below diagram.