EDN

Delta Sigma Modulator with Test DAC

The CS5373A is a low power, high performance, fourth-order delta-sigma modulator and test DAC integrated circuit. It features extremely small footprint and bipolar power supply configuration with low ...
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 ...
Design-Reuse

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 ...
Fast Company

Delta Sigma Converters: Modulation

The web is filled with introductions to Delta Sigma modulation (also sometimes referred to as Sigma Delta modulation) in the context of Delta Sigma converters. Unfortunately, the ones I’ve looked at ...
EDN

Delta-sigma ADCs in a nutshell, part 2: the modulator

A delta-sigma converter uses many samples from the modulator to produce a stream of 1-bit codes. The delta-sigma ADC accomplishes this task by using an input-signal quantizer running at a high sample ...
Nature

Delta-Sigma Modulation in CMOS Technology

Delta-sigma modulation has emerged as a pivotal technique in CMOS technology for high-resolution analogue‐to‐digital conversion. By utilising oversampling and noise-shaping strategies, this method ...
Design-Reuse

Sigma delta modulator IP Listing

The PWM sigma-delta modulator is a special type of 1-bit sigma-delta modulator that produces a pulse width modulated (PWM) output signal with a fixed repetition frequency. A fixed repetition ... The ...
Electronic Design

Isolated Sigma-Delta Modulator Boost Motor-Driver, Power-Inverter Efficiency

According to Analog Devices (ADI), its AD7403 isolated sigma-delta modulator delivers the highest accuracy for current and voltage measurement in dc-ac power-conversion applications. According to ...
Electronic Design

Filters Affect Spreadsheet Delta-Sigma Modulators

Spreadsheets can be used to model delta-sigma modulators (DSMs). 1 Filtering can affect these models, though. DSMs take an analog input and convert it to a digital stream, where the average of that ...
CIOL

Highest accuracy isolated Sigma-Delta modulator increases efficiency of motor drives

USA: Analog Devices Inc. introduced the industry's highest accuracy isolated sigma-delta modulator for precision current and voltage measurement in DC/AC power conversion applications. The AD7403 ...
Fast Company

Delta Sigma Converters: Modulation

first-order ΔΣ modulator can be simply understood. The basic problem solved by a ΔΣ modulator is this: given a fixed input value ν that lies in the range [-1, 1], the modulator outputs a pulse train ...