EDN

Delta-sigma demystified: Basics behind high-precision conversion

Delta-sigma (ΔΣ) converters may sound complex, but at their core, they are all about precision. In this post, we will peel back the layers and uncover the fundamentals behind their elegant design. At ...
Nature

Incremental Analog-to-Digital Converters and Delta-Sigma Modulators

Incremental analog-to-digital converters (ADCs) and delta-sigma modulators represent two advanced architectures that have been pivotal in high-precision signal processing. Incremental ADCs convert ...
EDN

Tutorial on Designing Delta-Sigma Modulators: Part 1

The transition from second-generation (2G) to third-generation (3G) wireless cellular systems requires multi-standard adaptability in a wireless receiver. An important answer to this request is the ...
Electronic Design

Using Delta-Sigma Can Be As Easy As ADC (Part 4)

Based on the amount of e-mail I received after Part 3 of this series (Nov. 7, 2008, p. 18; www.electronicdesign.com, ED Online 19948), many of you have already guessed that an incremental integrator ...
Electronic Design

Turn A Spreadsheet Into A Delta-Sigma Modulator (.PDF download)

Pulse density modulation is just the analog portion of a delta-sigma analog-to-digital converter (ADC). It coverts an analog signal into a digital density stream. A ...