Journal ArticleDOI
High-performance NMOS operational amplifier
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TLDR
A high performance operational amplifier 300 mil/SUP 2/ in area has been designed and fabricated in a standard n-channel silicon-gate enhancement/depletion MOS process.Abstract:
A high performance operational amplifier 300 mil/SUP 2/ in area has been designed and fabricated in a standard n-channel silicon-gate enhancement/depletion MOS process. Specifications achieved include open-loop gain, 1000; power consumption, 10 mW; common-mode range within 1.5 V of either supply rail; unity-gain bandwidth, 3.0 MHz with 80/spl deg/ phase margin; RMS input noise (2.5 Hz-46 kHz), 25 /spl mu/V; C-message weighted noise -5 dBrnC; and 0.1-percent settling time, 2.5 /spl mu/s.read more
Citations
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Journal ArticleDOI
An improved frequency compensation technique for CMOS operational amplifiers
TL;DR: In this paper, a two-stage CMOS operational amplifier is proposed to provide stable operation for a much larger range of capacitive loads, as well as much improved V/SUB BB/ power supply rejection over very wide bandwidths for the same basic operational amplifier circuit.
Journal ArticleDOI
MOS operational amplifier design-a tutorial overview
Paul R. Gray,Robert G. Meyer +1 more
TL;DR: In this paper, an overview of current design techniques for operational amplifiers implemented in CMOS and NMOS technology at a tutorial level is presented, focusing on CMOS amplifiers because of their more widespread use.
Journal ArticleDOI
Analysis of multistage amplifier-frequency compensation
Ka Nang Leung,Philip K. T. Mok +1 more
TL;DR: Frequency-compensation techniques of single-, two- and three-stage amplifiers based on Miller pole splitting and pole-zero cancellation are re-analyzed and several proposed methods to improve the published topologies are given.
Journal ArticleDOI
MOS switched-capacitor filters
TL;DR: In this paper, the basic operation of switched-capacitor filters is reviewed, followed by a discussion of the properties of the various circuit building blocks in MOS technology, and a summary of several filter organizations which appear to be well suited to switch-capACitor implementation is presented.
Journal ArticleDOI
A Circuits and Systems Perspective of Organic/Printed Electronics: Review, Challenges, and Contemporary and Emerging Design Approaches
TL;DR: A comprehensive and critical review and tabulation of the state-of-the art printed digital, analog, and mixed-signal circuits is presented and it is depicted that contemporary design philosophies and methodologies for silicon are largely inadequate for printed/organic electronics.
References
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Journal ArticleDOI
MOS sampled data recursive filters using switched capacitor integrators
TL;DR: A new technique to analog sampled data filtering is presented which can be fully integrated using MOS technology, and advantages of this new approach are reduced circuit complexity, low sensitivity to coefficient variations, and efficient utilization of silicon area.
Journal ArticleDOI
An integrated NMOS operational amplifier with internal compensation
Yannis Tsividis,P.R. Gray +1 more
TL;DR: An internally compensated differential operational amplifier is described which has been fabricated using n-channel Al-gate MOS technology and has been designed so that its performance is insensitive to process parameters.
Proceedings ArticleDOI
An algorithmic analog-to-digital converter
TL;DR: The ‘ .4 cyclic A/D converter’ can provide both a means of implcmenting successive approximation A/ D converters and a Means of performing general purpose analog arithmetic.
Journal ArticleDOI
MOS switched-capacitor analog sampled-data direct-form recursive filters
Ian A. Young,David A. Hodges +1 more
TL;DR: The direct form switched-capacitor offers some useful advantages in comparison to the switched-Capacitor integrator approach, including the rejection of MOS amplifier noise and power supply noise below one-half the sampling rate, less silicon area especially when implementing high Q poles, and potential for multiplexing two or more filters.
Proceedings ArticleDOI
Fully-integrated high-order NMOS sampled-data ladder filters
TL;DR: In this paper, an approach for implementing NMOS sampled-data recursive filters by using switched-capacitor integrators in an active ladder configuration is presented, and experimental results for a fifth order Chebyshev 3400Hz low-pass filter with 0.1dB passband ripple are presented.