Bandwidth Extension Of A Conventional Distributed Amplifier

This paper presents a unique technique for significantly improving the bandwidth of a conventional distributed amplifier (CDA) using negative resistance. It is demonstrated that by making the gate-line of the CDA configuration negative resistance, the amplifiers operational bandwidth is improved by...

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Main Authors: Virdee, Bal S., Yazgi, Metin, Virdee, Avtar
Format: Conference Proceeding
Language:English
Subjects:
Attenuation
Bandwidth
Broadband amplifiers
Cutoff frequency
Degradation
Distributed amplifiers
Distributed parameter circuits
Equivalent circuits
FETs
Microwave amplifiers
Performance gain
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Yazgi, Metin
Virdee, Avtar
description This paper presents a unique technique for significantly improving the bandwidth of a conventional distributed amplifier (CDA) using negative resistance. It is demonstrated that by making the gate-line of the CDA configuration negative resistance, the amplifiers operational bandwidth is improved by 14% without compromising its gain performance. In this case the 4-stage CDA was implemented using packaged pseudomorphic HJ-FET devices. The simplicity of the proposed technique makes it amenable to MMIC technology.
doi_str_mv 10.1109/APMC.2007.4554667
format conference_proceeding
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Attenuation
Bandwidth
Broadband amplifiers
Cutoff frequency
Degradation
Distributed amplifiers
Distributed parameter circuits
Equivalent circuits
FETs
Microwave amplifiers
Performance gain
title Bandwidth Extension Of A Conventional Distributed Amplifier
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