Variable gain amplifier

A detailed study of various variable gain topologies is presented in this report. A Variable Gain Amplifier (VGA) with an exponential gain control characteristic is desired in Automatic Gain Control (AGC) application. Thus, a metal-oxidesemiconductor (MOS) variable gain amplifier with linear in dB c...

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Main Author: Hoo, Swee Chuen.
Other Authors: Ng, Lian Soon
Format: Theses and Dissertations
Published: 2008
Subjects:
Online Access:http://hdl.handle.net/10356/4375
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Institution: Nanyang Technological University
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spelling sg-ntu-dr.10356-43752023-07-04T15:14:09Z Variable gain amplifier Hoo, Swee Chuen. Ng, Lian Soon School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering::Electronic circuits A detailed study of various variable gain topologies is presented in this report. A Variable Gain Amplifier (VGA) with an exponential gain control characteristic is desired in Automatic Gain Control (AGC) application. Thus, a metal-oxidesemiconductor (MOS) variable gain amplifier with linear in dB characteristic was designed. The voltage gain or transconductor of the VGA can be varying by a control voltage. This amplifier, based on complementary MOS (CMOS) transistors operating in strong inversion, is composed of exponential voltage generator block, four quadrant analog multiplier and tranresistance output stage. Master of Science (Integrated Circuit Design) 2008-09-17T09:50:18Z 2008-09-17T09:50:18Z 2005 2005 Thesis http://hdl.handle.net/10356/4375 Nanyang Technological University application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
topic DRNTU::Engineering::Electrical and electronic engineering::Electronic circuits
spellingShingle DRNTU::Engineering::Electrical and electronic engineering::Electronic circuits
Hoo, Swee Chuen.
Variable gain amplifier
description A detailed study of various variable gain topologies is presented in this report. A Variable Gain Amplifier (VGA) with an exponential gain control characteristic is desired in Automatic Gain Control (AGC) application. Thus, a metal-oxidesemiconductor (MOS) variable gain amplifier with linear in dB characteristic was designed. The voltage gain or transconductor of the VGA can be varying by a control voltage. This amplifier, based on complementary MOS (CMOS) transistors operating in strong inversion, is composed of exponential voltage generator block, four quadrant analog multiplier and tranresistance output stage.
author2 Ng, Lian Soon
author_facet Ng, Lian Soon
Hoo, Swee Chuen.
format Theses and Dissertations
author Hoo, Swee Chuen.
author_sort Hoo, Swee Chuen.
title Variable gain amplifier
title_short Variable gain amplifier
title_full Variable gain amplifier
title_fullStr Variable gain amplifier
title_full_unstemmed Variable gain amplifier
title_sort variable gain amplifier
publishDate 2008
url http://hdl.handle.net/10356/4375
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