EMC Question of the Week: October 5, 2026

A 5-MHz square wave has 1-ns transition times and a peak-to-peak amplitude of 1.0 volt. What is the amplitude of the harmonic at 125 MHz as measured on a spectrum analyzer? 

1. < 5 mV
2. 18 mV
3. 40 mV
4. > 100 mV

Reveal Question of the Week - Answer 261005