Journal ArticleDOI
Low-voltage transconductor with wide input range and large tuning capability
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TLDR
In this article, a CMOS triode transconductor was developed with common mode feedback suitable for operating in lowvoltage and low power applications, which is based on a body-driven input stage with feedback loops to extend both the signal input range and the tuning capability.About:
This article is published in Tsinghua Science & Technology.The article was published on 2011-02-01. It has received 5 citations till now. The article focuses on the topics: Transconductance & Low voltage.read more
Citations
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Journal ArticleDOI
A low-transconductance OTA with improved linearity suitable for low-frequency Gm-C filters
TL;DR: A fully differential operational transconductance amplifier is presented in this paper with enhanced linearity and low transc conductance, suitable for low-frequency Gm-C filters and a new common-mode feedback scheme that presents low sensitivity to large differential voltage swings at the OTA outputs.
Journal ArticleDOI
A 0.9 V Supply OTA in 0.18 μm CMOS Technology and Its Application in Realizing a Tunable Low-Pass Gm-C Filter for Wireless Sensor Networks
TL;DR: A low voltage low power operational transconductance amplifier (OTA) based on a bulk driven cell and its application to implement a tunable Gm-C filter is presented in this paper.
Journal ArticleDOI
A 0.8‐V supply bulk‐driven operational transconductance amplifier and Gm‐C filter in 0.18 µm CMOS process
TL;DR: A low voltage bulk-driven operational transconductance amplifier (OTA) and its application to implement a tunable Gm-C filter, which can be used for wireless sensor network applications are presented.
Journal ArticleDOI
A low-voltage low-power CMOS fully differential linear transconductor with mobility reduction compensation
TL;DR: A highly linear fully differential CMOS transconductor architecture based on flipped voltage follower (FVF) is proposed and a 4th-order 5MHz Butterworth Gm-C filter is presented.
Journal ArticleDOI
Linearity Enhancement Techniques for Operational Transconductance Amplifier: A Survey
TL;DR: A brief survey of various popular linearization techniques reported in the past to linearize the OTA viz source degeneration, square root technique and mobility compensation is provided.
References
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Book
Operation and modeling of the MOS transistor
TL;DR: In this article, the MOS transistors with ION-IMPLANTED CHANNELS were used for CIRCUIT SIMULATION in a two-and three-tier MOS structure.
Journal ArticleDOI
Partial positive feedback for gain enhancement of low-power CMOS OTAs
Rongtai Wang,Ramesh Harjani +1 more
TL;DR: In this article, four circuit schemes that use partial positive feedback for gain enhancement in CMOS OTAs are examined and compared in detail in the sub-threshold region and a comparison of the primary characteristics of these circuits together with simulation results are presented.
Journal ArticleDOI
A low-distortion BiCMOS seventh-order Bessel filter operating at 2.5 V supply
Fuji Yang,Christian Enz +1 more
TL;DR: In this article, a 7-order continuous-time Bessel filter using a new lowvoltage and highly linear BiCMOS transconductor is presented, which has been designed to operate at a 2.5 V supply with a nominal -3 dB cutoff frequency of 600 kHz.
Journal ArticleDOI
Design of highly linear tunable CMOS OTA for continuous-time filters
Slawomir Koziel,S. Szczepanski +1 more
TL;DR: An analytical method based on the standard square-law metal-oxide-semiconductor (MOS) modeling for the design of highly linear, fully differential complementary CMOS operational transconductance amplifier (OTA) is presented in this paper.
Journal ArticleDOI
A highly linear bulk-driven CMOS OTA for continuous-time filters
TL;DR: In this paper, a bulk-driven CMOS triode-based fully balanced operational transconductance amplifier (OTA) and its application to continuous-time filters are presented, which is linearly tunable with the feature of low distortion and high output impedance.
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