A Low Noise X Band Parametric Amplifier
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A Low Noise X Band Parametric Amplifier
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Author :
language : en
Publisher:
Release Date : 1962
A Low Noise X Band Parametric Amplifier written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.
Nitrogen Cooled Low Noise Parametric Amplifier Using Indium Antimonide Varactors
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Author : Peter P. Lombardo
language : en
Publisher:
Release Date : 1965
Nitrogen Cooled Low Noise Parametric Amplifier Using Indium Antimonide Varactors written by Peter P. Lombardo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with categories.
This report describes the research activity on InSb varactors and the development of a cryogenically cooled, low noise, broadband parametric amplifier at X-band. Detailed measurements and evaluation of InSb and GaAs varactors have been made to determine their relative merits. Due to an anomalous current effect observed in InSb varactors, the final amplifier was delivered with a GaAs varactor. The amplifier had a noise temperature of 70 K, at 500 Mc bandwidth, and a mean gain of 16 db, when cooled to 77 K. (Author).
An Ultra Low Noise 1700 Mc Parametric Amplifier System
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Author : Pio Harry Dalle Mura
language : en
Publisher:
Release Date : 1966
An Ultra Low Noise 1700 Mc Parametric Amplifier System written by Pio Harry Dalle Mura and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Parametric amplifiers categories.
A Low Noise Parametric Amplifier
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Author : Clifford Frederick Hiatt
language : en
Publisher:
Release Date : 1971
A Low Noise Parametric Amplifier written by Clifford Frederick Hiatt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Parametric amplifiers categories.
A Low Noise M Type Parametric Amplifier
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Author : J. W. Kluver
language : en
Publisher:
Release Date : 1964
A Low Noise M Type Parametric Amplifier written by J. W. Kluver and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.
Low Noise Parametric Amplifier
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Author : Poh Keat Tan
language : en
Publisher:
Release Date : 1961
Low Noise Parametric Amplifier written by Poh Keat Tan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with categories.
Demonstration Of Squid Parametric Amplifier
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Author : A. H. Silver
language : en
Publisher:
Release Date : 1984
Demonstration Of Squid Parametric Amplifier written by A. H. Silver and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
TRW has been developing low noise microwave parametric amplifiers with Josephson junction SQUIDs (Superconducting QUantum Interference Devices). This report summarizes the second phase of the program which includes measurement of the amplifier performance at X-band, and design and fabrication of a SQUID array amplifier. We have demonstrated gain in excess of 10 dB at 8.4 GHz and a measured noise temperature equal to 6K with an uncertainty of (+15/-7)K. Arrays with both 25 and 50 elements and a 50 ohm impedance have been designed and fabricated. These arrays should increase the dynamic range of the amplifier. (Author).
X Band Solid State Detector Amplifier
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Author : J. J. Brule
language : en
Publisher:
Release Date : 1965
X Band Solid State Detector Amplifier written by J. J. Brule and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with categories.
Components and techniques for application in small lightweight X-Band detector-amplifier circuits were reviewed and evaluated. Specific areas of investigation included: backward diode mixers; 'starved mixer operation'; low noise transistorized I.F. preamplifiers; an I.F. parametric amplifier; tunnel-diode local oscillators; a tunnel-diode self-oscillating mixer; and low noise R.F. pre-amplifiers. High power diode limiters which require no control voltages were developed in waveguide and strip transmission line. Integrated mixer/I.F. preamplifier assemblies with an overall noise figure of 8.0 db were realized. A compact solid-state local oscillator using a 'snap-off' diode as a high order multiplier and providing an output power of 10 mwatts was developed. Also, a tunnel-diode self-oscillating mixer with integral I.F. pre-amplifier assembly was designed. Engineering test models of three solid-state detector-amplifier circuits were fabricated and tested. Overall noise figures ranging from 11.0 db to 8.0 db were obtained. The physical and performance characteristics of several detector-amplifier circuits were evaluated and compared; and relationships between noise figure and weight and noise figure and cost were derived. (Author).
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.
The Development Of A Low Noise Parametric Amplifier At 1665 7 Megacycles Second
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Author : Dale W. Cooper
language : en
Publisher:
Release Date : 1961
The Development Of A Low Noise Parametric Amplifier At 1665 7 Megacycles Second written by Dale W. Cooper and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with categories.