Signal Integrity

Power-aware Signal Integrity and EMI/EMC On High-speed Digital Chip-to-Chip Links

Signal Integrity header image 2

Curious Nulls in the NRZ Spectrum

Posted June 24th, 2008 · 3 Comments · Video


Ever wondered why an NRZ spectrum has no energy at the bit rate? The nulls at the bit rate (and integer multiples of the bit rate) are explained in this 8 minute video tutorial, which compares the spectrum of a square wave and NRZ data. As a bonus we’ll see how the rise and fall time affects the spectrum.

Curious Nulls in the NRZ Spectrum

This application note from Maxim goes into the math behind this.

Tags: ···

3 Comments so far ↓

Leave a Comment