EDN

Reducing EMI by using spread spectrum techniques

As an engineer, you know how fast consumer electronics devices operate and how many tasks they perform in fraction of second. High-speed operation of these devices has made possible the many pleasures ...
Electronic Design

The Ins and Outs of Frequency Spread Spectrum

The key parameters of the FSS technique and their impact on EMI performance. How to evaluate FSS performance using simulation, ICs, and a signal generator. Frequency spread spectrum (FSS) is a ...
Embedded

Using programmable spread spectrum clock generators for EMI Reduction

Electromagnetic interference (EMI) is energy that adversely affects theperformance of electrical/electronic equipment by creating undesirableresponses or complete operational failure. EMI is caused ...
Electronic Design

Measure Spread-Spectrum Clock’s Effects On Switching Supply EMI

Fig 1. In a typical PWM controller in which the active devices are driven by a simple square wave, a Fourier representation of the clock’s frequency spectrum consists of the fundamental switching ...
EDN

Suppressing and containing? Try spread spectrum clocking to reduce EMI

The radiation of electromagnetic energy is an important concern for the designers of almost all electronic devices. Various agencies around the world seek to minimize electromagnetic interference (EMI ...