Analysis and Design of a GaAs Monolithic Tunable Polyphase Filter in S/C Bands

AbstractThis paper proposes a new topology of a 2-Stages Active Polyphase Filter (APPF) in MMIC GaAs technology. This new topology, named “radial”, allows a greater balancing of output signals phases and amplitudes, over the actual APPF’s at the state of the art. In this paper an ex-novo study is sh...

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Main Authors: Alberto Leggieri, Davide Passi, Daniele Gagliesi, Franco Di Paolo
Format: Article
Language:English
Published: Sociedade Brasileira de Microondas e Optoeletrônica; Sociedade Brasileira de Eletromagnetismo
Series:Journal of Microwaves, Optoelectronics and Electromagnetic Applications
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742015000100014&lng=en&tlng=en
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author Alberto Leggieri
Davide Passi
Daniele Gagliesi
Franco Di Paolo
author_facet Alberto Leggieri
Davide Passi
Daniele Gagliesi
Franco Di Paolo
author_sort Alberto Leggieri
collection DOAJ
description AbstractThis paper proposes a new topology of a 2-Stages Active Polyphase Filter (APPF) in MMIC GaAs technology. This new topology, named “radial”, allows a greater balancing of output signals phases and amplitudes, over the actual APPF’s at the state of the art. In this paper an ex-novo study is shown and synthesis formulas for the APPF are provided. The MMIC simulations in 1-5GHz bandwidth show a tunable Image Rejection Ratio (IRR) greater than 40dB, a worst case input/output matching of 7.8dB and a maximum insertion loss of 10.8dB. By comparison with the tandem topology, as will be shown in the following, the radial one allows a significant improvement in the electrical performances.
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spelling doaj.art-b9d7bc4c2d794cd4b9c080a4d7fe644b2022-12-22T02:21:35ZengSociedade Brasileira de Microondas e Optoeletrônica; Sociedade Brasileira de EletromagnetismoJournal of Microwaves, Optoelectronics and Electromagnetic Applications2179-1074141142710.1590/2179-10742015v14i1423S2179-10742015000100014Analysis and Design of a GaAs Monolithic Tunable Polyphase Filter in S/C BandsAlberto LeggieriDavide PassiDaniele GagliesiFranco Di PaoloAbstractThis paper proposes a new topology of a 2-Stages Active Polyphase Filter (APPF) in MMIC GaAs technology. This new topology, named “radial”, allows a greater balancing of output signals phases and amplitudes, over the actual APPF’s at the state of the art. In this paper an ex-novo study is shown and synthesis formulas for the APPF are provided. The MMIC simulations in 1-5GHz bandwidth show a tunable Image Rejection Ratio (IRR) greater than 40dB, a worst case input/output matching of 7.8dB and a maximum insertion loss of 10.8dB. By comparison with the tandem topology, as will be shown in the following, the radial one allows a significant improvement in the electrical performances.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742015000100014&lng=en&tlng=enActive Polyphase FilterTunable Polyphase Filtermonolithicexcitation modeimage reject receiver
spellingShingle Alberto Leggieri
Davide Passi
Daniele Gagliesi
Franco Di Paolo
Analysis and Design of a GaAs Monolithic Tunable Polyphase Filter in S/C Bands
Journal of Microwaves, Optoelectronics and Electromagnetic Applications
Active Polyphase Filter
Tunable Polyphase Filter
monolithic
excitation mode
image reject receiver
title Analysis and Design of a GaAs Monolithic Tunable Polyphase Filter in S/C Bands
title_full Analysis and Design of a GaAs Monolithic Tunable Polyphase Filter in S/C Bands
title_fullStr Analysis and Design of a GaAs Monolithic Tunable Polyphase Filter in S/C Bands
title_full_unstemmed Analysis and Design of a GaAs Monolithic Tunable Polyphase Filter in S/C Bands
title_short Analysis and Design of a GaAs Monolithic Tunable Polyphase Filter in S/C Bands
title_sort analysis and design of a gaas monolithic tunable polyphase filter in s c bands
topic Active Polyphase Filter
Tunable Polyphase Filter
monolithic
excitation mode
image reject receiver
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742015000100014&lng=en&tlng=en
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AT danielegagliesi analysisanddesignofagaasmonolithictunablepolyphasefilterinscbands
AT francodipaolo analysisanddesignofagaasmonolithictunablepolyphasefilterinscbands