This paper presents a tutorial overview of ΣΔ modulators, their operating principles and
architectures, circuit errors and models, design methods, and practical issues. A review of …

Sigma-delta A/D converters are a key building block in wireless and multimedia
applications. This comprehensive book deals with all relevant aspects arising during the …

A 0.9-V 60-muW delta-sigma modulator is designed using standard CMOS 0.13-mum
technology. The modulator achieves 83-dB dynamic range in a signal bandwidth of 20 kHz …

A simple and efficient low-voltage two-stage operational amplifier with Class-AB output
stage is introduced. It has a large effective output current boosting factor (/spl sim/50) and …

This important book deals with the modeling and design of higher-order single-stage delta-
sigma modulators. It provides an overview of the architectures, the quantizer models, the …

Oversampled sigma-delta (EA) modulators offer numerous advantages for the realization of
high-resolution analog-to-digital (A/D) converters. This paper explores how oversampling …

A comparative design study of ultra-low-power discrete-time ΔΣ modulators (DT ΔΣMs)
suited for medical implant devices is presented. Aiming to reduce the analog power …

Precise behavioral modeling of switched-capacitor/spl Delta//spl Sigma/modulators is
presented. Considering noise (switches' and op-amps' thermal noise), clock jitter …

Two special calorimeters are foreseen for the instrumentation of the very forward region of
the ILC detector, a luminometer designed to measure the rate of low angle Bhabha …

The need for low power A/D conversion in a large number of applications has fueled a trend
towards ever-improving ADC power efficiency. This article investigates practical limits to this …