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Amplifiers (Electronics)

 
National Institutes of Health

Papers overview

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Highly Cited
2010
Highly Cited
2010
Efficiency Enhancement of Feedforward Amplifiers by Employing a Negative Group-Delay Circuit
We will demonstrate an alternative topology for the feedforward amplifier. This amplifier does not use a delay element, thus… Expand
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Highly Cited
2009
Highly Cited
2009
Design Optimization and DPD Linearization of GaN-Based Unsymmetrical Doherty Power Amplifiers for 3G Multicarrier Applications
In this paper, a design optimization approach for gallium-nitride (GaN)-based Doherty power amplifiers (PAs) is proposed to… Expand
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Highly Cited
2008
Highly Cited
2008
A Digitally Modulated Polar CMOS Power Amplifier With a 20-MHz Channel Bandwidth
This paper presents a CMOS RF power amplifier that employs a digital polar architecture to improve the overall power efficiency… Expand
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Highly Cited
2006
Highly Cited
2006
Current mode quadrature oscillator using current differencing transconductance amplifiers (CDTA)
A CDTA-based quadrature oscillator circuit is proposed. The circuit employs two current-mode allpass sections in a loop, and… Expand
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2004
2004
Unified active filter biquad structures
The authors present a new biquad filter model based on nullators, norators, current mirrors and passive R (resistor) and C… Expand
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Highly Cited
2002
Highly Cited
2002
Transconductance amplifier structures with very small transconductances: a comparative design approach
A family of CMOS operational transconductance amplifiers (OTAs) has been designed for very small G/sub m/'s (of the order of… Expand
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Highly Cited
1996
Highly Cited
1996
Photodiode Amplifiers: Op Amp Solutions
Table of contents Photodiodes.The Basic Amplifier.Bandwidth and Stability.Wideband Photodiode Amplifiers.Noise.Noise Reduction… Expand
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1991
1991
Current-mode analog fuzzy hardware with voltage input interface and normalization locked loop
A voltage-input current-output membership function circuit (MFC) and a normalization locked loop (NLL) are proposed. They are… Expand
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Highly Cited
1988
Highly Cited
1988
Generation of continuous-time two integrator loop OTA filter structures
Generation of two integrator loop filter structures using operational transconductance amplifiers (OTAs) and capacitors (TAC) is… Expand
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Highly Cited
1982
Highly Cited
1982
Adaptive biasing CMOS amplifiers
Two transconductance amplifiers are presented in which the concept of an input dependent bias current has been introduced. As a… Expand
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