EDN

Digital oscilloscopes: When things go wrong

DSOs (digital oscilloscopes) offer a great many advantages over their analog equivalents but as they say, “There’s no such thing as a free lunch.” Digital scopes sample, digitize, and store waveforms ...
Electronic Design

High-Speed RF Sampling ADC Boosts Bandwidth, Dynamic Range

This file type includes high-resolution graphics and schematics when applicable. Modern telecommunications applications like 4G Long Term Evolution (LTE) systems as well as forthcoming 5G systems use ...
EDN

Introduction to GSM

This article introduces the basic concepts ofthe cellular handset through a brief historical background, detailsabout the evolution of the GSM, and the physical-layerspecifications. We will also ...
Design-Reuse

Specifying a PLL Part 1: Calculating PLL Clock Spur Requirements from ADC or DAC SFDR

It is common for an ADC or DAC to be required to meet a SFDR (spurious free dynamic range) specification. Definition: “Spurious-free dynamic range (SFDR) is the strength ratio of the fundamental ...