Noise And Low Frequency Amplifiers
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Noise And Low Frequency Amplifiers
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Author : Michael S. Adler
language : en
Publisher:
Release Date : 1965
Noise And Low Frequency Amplifiers written by Michael S. Adler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Amplifiers (Electronics) categories.
This paper is a study of low-noise amplification in the near direct current frequency range. The paper is a survey of the problem and no ultimate amplifier is presented in conclusion. The purpose of this paper is to analyze the problem and to present conclusions as to best class of amplifiers to use in this frequency range. Two classes of amplifiers are considered. The chopper amplifier and the semiconductor diode parametric amplifier. It is concluded that the semiconductor diode parametric amplifier is inherently the lower noise device of the two. There are no intrinsic noise sources in this amplifier and noise arises mainly from parastic effects which theoretically can be made arbitrarily small. The use of this type of amplifier at low frequencies marks a new and successful application of a device usually associated with microwave frequencies. The first section of the paper is a critique of the various figures of merit used in specifying noise performance. The significance and proper use of the noise figure is discussed. The section on the chopper amplifier includes analysis involving both the junction transistor and the field effect transistor. The conclusions are that the best overall performance of the chopper amplifier results when the junction transistor is used with a low impedance source. (Author).
Low Frequency Noise In Dc Amplifiers
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Author : Theunis Christiaan Verster
language : en
Publisher:
Release Date : 1966
Low Frequency Noise In Dc Amplifiers written by Theunis Christiaan Verster and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with categories.
A Low Noise Low Frequency Reactance Amplifier
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Author : George Dale Ezell
language : en
Publisher:
Release Date : 1963
A Low Noise Low Frequency Reactance Amplifier written by George Dale Ezell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Amplifiers (Electronics) categories.
Wideband Low Noise Amplifiers Exploiting Thermal Noise Cancellation
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Author : Federico Bruccoleri
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-03-30
Wideband Low Noise Amplifiers Exploiting Thermal Noise Cancellation written by Federico Bruccoleri and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-03-30 with Technology & Engineering categories.
Low Noise Amplifiers (LNAs) are commonly used to amplify signals that are too weak for direct processing for example in radio or cable receivers. Traditionally, low noise amplifiers are implemented via tuned amplifiers, exploiting inductors and capacitors in resonating LC-circuits. This can render very low noise but only in a relatively narrow frequency band close to resonance. There is a clear trend to use more bandwidth for communication, both via cables (e.g. cable TV, internet) and wireless links (e.g. satellite links and Ultra Wideband Band). Hence wideband low-noise amplifier techniques are very much needed. Wideband Low Noise Amplifiers Exploiting Thermal Noise Cancellation explores techniques to realize wideband amplifiers, capable of impedance matching and still achieving a low noise figure well below 3dB. This can be achieved with a new noise cancelling technique as described in this book. By using this technique, the thermal noise of the input transistor of the LNA can be cancelled while the wanted signal is amplified! The book gives a detailed analysis of this technique and presents several new amplifier circuits. This book is directly relevant for IC designers and researchers working on integrated transceivers. Although the focus is on CMOS circuits, the techniques can just as well be applied to other IC technologies, e.g. bipolar and GaAs, and even in discrete component technologies.
Measurement Of The Noise Figure Of Low Frequency Amplifiers
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Author : Saul Shenfeld
language : en
Publisher:
Release Date : 1952
Measurement Of The Noise Figure Of Low Frequency Amplifiers written by Saul Shenfeld and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1952 with categories.
Low Frequency Noise In Advanced Mos Devices
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Author : Martin Haartman
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-08-23
Low Frequency Noise In Advanced Mos Devices written by Martin Haartman and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-23 with Technology & Engineering categories.
This is an introduction to noise, describing fundamental noise sources and basic circuit analysis, discussing characterization of low-frequency noise and offering practical advice that bridges concepts of noise theory and modelling, characterization, CMOS technology and circuits. The text offers the latest research, reviewing the most recent publications and conference presentations. The book concludes with an introduction to noise in analog/RF circuits and describes how low-frequency noise can affect these circuits.
Audio Frequency Amplifier Limitations Caused By Random Noise
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Author : Thomas Lassfolk Finch
language : en
Publisher:
Release Date : 1947
Audio Frequency Amplifier Limitations Caused By Random Noise written by Thomas Lassfolk Finch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1947 with Physics categories.
Low Noise Low Frequency Transistor Amplifier
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Author : Dale P. Schrick
language : en
Publisher:
Release Date : 1959
Low Noise Low Frequency Transistor Amplifier written by Dale P. Schrick and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with categories.
The report describes the development of a low noise transistor amplifier. The center frequency used was 10. cps and the noise Bandwidth was 5. cps. The report describes three types of input arrangements and evaluates their relative merit. Also the relative effect of feedback is evaluated. (Author).
Noise Generation In Class A D Amplifiers
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Author : R. J. Nielsen
language : en
Publisher:
Release Date : 1988
Noise Generation In Class A D Amplifiers written by R. J. Nielsen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
The low frequency noise produced in generating a class A-D signal is studied. Noise levels are calculated using both computer models and analytic techniques. Although the treatment is not rigorous both methods show excellent agreement. The results indicate that the low frequency noise level is highly sensitive to the phase (time) jitter on the A-D amplifier output signal. (RH).
Phase Noise Reduction In Bipolar Transistor Amplifiers Through Active Low Frequency Feedback
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Author : Matthew J. Luce
language : en
Publisher:
Release Date : 2004
Phase Noise Reduction In Bipolar Transistor Amplifiers Through Active Low Frequency Feedback written by Matthew J. Luce and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Amplifiers (Electronics) categories.