Wideband distributed choke inductor for distributed power amplifiers

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buir.advisorAtalar, Abdullah
dc.contributor.authorBallı, Çağdaş
dc.date.accessioned2023-03-02T12:43:16Z
dc.date.available2023-03-02T12:43:16Z
dc.date.copyright2023-01
dc.date.issued2023-01
dc.date.submitted2023-02-02
dc.descriptionCataloged from PDF version of article.en_US
dc.descriptionThesis (Ph.D.): Bilkent University, Department of Electrical and Electronics Engineering, İhsan Doğramacı Bilkent University, 2023.en_US
dc.descriptionIncludes bibliographical references (leaves 61-64).en_US
dc.description.abstractA method to design a wideband, low-loss, and high-current choke inductor suitable for use in a distributed power amplifier (DPA) is presented. The choke inductor is composed of several parallelled low-current inductors with small parasitics placed in a distributed manner. High-frequency gain-limiting parasitic shunt capacitors of these inductors are absorbed by the series inductors already present between the transistor drain terminals of the distributed amplifier. We also provide an analytical procedure to determine the widths of stage transistors of a non-uniform distributed power amplifier (NDPA). Several example designs are presented to demonstrate the use of our method. The measurement results of a 2–18 GHz NDPA designed using a distributed choke inductor with an equivalent DC resistance of 0.32 Ω are given. The MMIC has fully integrated with the on-chip DC blocking capacitors and bias inductors. The results of the CW mode measurement for the MMIC at 28 V supply voltage show greater than 10 dB of small signal gain, 6 W to 12 W output power, and 15% to 28% power-added efficiency in the bandwidth.en_US
dc.description.provenanceSubmitted by Betül Özen (ozen@bilkent.edu.tr) on 2023-03-02T12:43:16Z No. of bitstreams: 1 B161729.pdf: 3035452 bytes, checksum: a4c633f6d2ea091a78542c0bd61bc7d3 (MD5)en
dc.description.provenanceMade available in DSpace on 2023-03-02T12:43:16Z (GMT). No. of bitstreams: 1 B161729.pdf: 3035452 bytes, checksum: a4c633f6d2ea091a78542c0bd61bc7d3 (MD5) Previous issue date: 2023-01en
dc.description.statementofresponsibilityby Çağdaş Ballıen_US
dc.embargo.release2025-01-31
dc.format.extentxii, 76 leaves : illustrations, charts ; 30 cm.en_US
dc.identifier.itemidB161729
dc.identifier.urihttp://hdl.handle.net/11693/112024
dc.language.isoEnglishen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDistributed power amplifieren_US
dc.subjectChoke inductoren_US
dc.subjectNon-uniform distributed power amplifieen_US
dc.titleWideband distributed choke inductor for distributed power amplifiersen_US
dc.title.alternativeDağınık güç yükselteçler için geniş bantlı dağınık şok indüktören_US
dc.typeThesisen_US
thesis.degree.disciplineElectrical and Electronic Engineering
thesis.degree.grantorBilkent University
thesis.degree.levelDoctoral
thesis.degree.namePh.D. (Doctor of Philosophy)

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