Vacuum tube amplifiers using electronic DC transformers

Conference proceedings article

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Publication Details

Author list: Poomalee T., Jirasereeamornkul K., Kazimierczuk M.K.

Publisher: Hindawi

Publication year: 2010

Volume number: 1

Start page: 516

End page: 523

Number of pages: 8

ISBN: 9781617821943

eISSN: 1745-4557

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84866045755&partnerID=40&md5=49bbf7c340faddb5d0ac1077f81c524f

Languages: English-Great Britain (EN-GB)

Abstract

This paper proposes the method to synthesis vacuum-tube audio amplifiers that using the electronic DC transformers to replace the traditional audio-frequency output transformers usually used in the output stage of the amplifier. The proposed amplifiers can achieve the frequency response from DC-100kHz if the DC transformers operated at 500 kHz switching frequency and interleave technique are used. The principle of operation, DC model and various examples are given.

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