How to Use an Oscilloscope to Measure Power Rail Ripple and Noise
Measuring power rail ripple and noise with an oscilloscope is essential for high-speed PCB validation. This guide covers probe selection, bandwidth limits, and measurement techniques to ensure accurate results in B2B PCB manufacturing. 1. Understanding Power Rail Ripple vs. Noise Before measuring power rail ripple and noise, distinguish between ripple and noise. Ripple is periodic,…