Miniature distributed filters for software re-configurable radio applications

JR Macleod; T Nesimoglu; MA Beach; PA Warr

Miniature distributed filters for software re-configurable radio applications

JR Macleod
, T Nesimoglu
, MA Beach
, PA Warr

Communication Systems and Networks

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

207 Downloads (Pure)

Abstract

Variable preselection filters will be an important component of any software re-configurable radio design. To be of practical use, such a filter should occupy a minimum of board area in any transceiver layout. Slow-wave filters are introduced and their essential electrical characteristics and miniaturisation advantages are outlined. It is shown that this filter architecture is easily tuneable. MEMS switches can be used to switch line lengths and thus cause the centre frequency of the filter to be altered. MEMS switching is a preferred tuning method because it eliminates the non-linearity introduced by conventional tuning elements. A technique for designing a capacitively loaded, split ring filter is presented and some simulation and measurement results are given. The possibility of pushing the second resonant frequency beyond twice the fundamental frequency is highlighted as a feature of slow-wave filters. This feature is shown to be of limited advantage with the architecture under discussion

Translated title of the contribution	Miniature distributed filters for software re-configurable radio applications
Original language	English
Title of host publication	IST Mobile Communications Summit, Thessaloniki, Greece
Pages	159 - 163
Publication status	Published - Jun 2002
Event	IST Mobile Communications Summit - Thessaloniki, Greece Duration: 1 Jun 2002 → …

Conference

Conference	IST Mobile Communications Summit
Country/Territory	Greece
City	Thessaloniki
Period	1/06/02 → …

Bibliographical note

Conference Proceedings/Title of Journal: IST Mobile Communications Summit, 2002
Rose publication type: Conference contribution

Sponsorship: This paper is based upon work performed within the framework of the IST project IST-1999-12070 TRUST, partly funded by the European Union. The authors would like to acknowledge the contributions of their
colleagues from Siemens AG, France Télécom - CNET, Centre Suisse d’Electronique et de Microtechnique S.A., King's College London, Motorola Ltd., Panasonic European Laboratories GmbH, Telefonica Investigacion Y Desarrollo S.A. Unipersonal, Toshiba
Research Europe Ltd., TTI Norte S.L., University of Bristol, University of Southampton

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Macleod IST)2002Accepted author manuscript, 596 KB

http://hdl.handle.net/1983/773

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title = "Miniature distributed filters for software re-configurable radio applications",

abstract = "Variable preselection filters will be an important component of any software re-configurable radio design. To be of practical use, such a filter should occupy a minimum of board area in any transceiver layout. Slow-wave filters are introduced and their essential electrical characteristics and miniaturisation advantages are outlined. It is shown that this filter architecture is easily tuneable. MEMS switches can be used to switch line lengths and thus cause the centre frequency of the filter to be altered. MEMS switching is a preferred tuning method because it eliminates the non-linearity introduced by conventional tuning elements. A technique for designing a capacitively loaded, split ring filter is presented and some simulation and measurement results are given. The possibility of pushing the second resonant frequency beyond twice the fundamental frequency is highlighted as a feature of slow-wave filters. This feature is shown to be of limited advantage with the architecture under discussion",

author = "JR Macleod and T Nesimoglu and MA Beach and PA Warr",

note = "Conference Proceedings/Title of Journal: IST Mobile Communications Summit, 2002 Rose publication type: Conference contribution Sponsorship: This paper is based upon work performed within the framework of the IST project IST-1999-12070 TRUST, partly funded by the European Union. The authors would like to acknowledge the contributions of their colleagues from Siemens AG, France T{\'e}l{\'e}com - CNET, Centre Suisse d{\textquoteright}Electronique et de Microtechnique S.A., King's College London, Motorola Ltd., Panasonic European Laboratories GmbH, Telefonica Investigacion Y Desarrollo S.A. Unipersonal, Toshiba Research Europe Ltd., TTI Norte S.L., University of Bristol, University of Southampton ; IST Mobile Communications Summit ; Conference date: 01-06-2002",

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language = "English",

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AU - Nesimoglu, T

AU - Beach, MA

AU - Warr, PA

N1 - Conference Proceedings/Title of Journal: IST Mobile Communications Summit, 2002 Rose publication type: Conference contribution Sponsorship: This paper is based upon work performed within the framework of the IST project IST-1999-12070 TRUST, partly funded by the European Union. The authors would like to acknowledge the contributions of their colleagues from Siemens AG, France Télécom - CNET, Centre Suisse d’Electronique et de Microtechnique S.A., King's College London, Motorola Ltd., Panasonic European Laboratories GmbH, Telefonica Investigacion Y Desarrollo S.A. Unipersonal, Toshiba Research Europe Ltd., TTI Norte S.L., University of Bristol, University of Southampton

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N2 - Variable preselection filters will be an important component of any software re-configurable radio design. To be of practical use, such a filter should occupy a minimum of board area in any transceiver layout. Slow-wave filters are introduced and their essential electrical characteristics and miniaturisation advantages are outlined. It is shown that this filter architecture is easily tuneable. MEMS switches can be used to switch line lengths and thus cause the centre frequency of the filter to be altered. MEMS switching is a preferred tuning method because it eliminates the non-linearity introduced by conventional tuning elements. A technique for designing a capacitively loaded, split ring filter is presented and some simulation and measurement results are given. The possibility of pushing the second resonant frequency beyond twice the fundamental frequency is highlighted as a feature of slow-wave filters. This feature is shown to be of limited advantage with the architecture under discussion

AB - Variable preselection filters will be an important component of any software re-configurable radio design. To be of practical use, such a filter should occupy a minimum of board area in any transceiver layout. Slow-wave filters are introduced and their essential electrical characteristics and miniaturisation advantages are outlined. It is shown that this filter architecture is easily tuneable. MEMS switches can be used to switch line lengths and thus cause the centre frequency of the filter to be altered. MEMS switching is a preferred tuning method because it eliminates the non-linearity introduced by conventional tuning elements. A technique for designing a capacitively loaded, split ring filter is presented and some simulation and measurement results are given. The possibility of pushing the second resonant frequency beyond twice the fundamental frequency is highlighted as a feature of slow-wave filters. This feature is shown to be of limited advantage with the architecture under discussion

M3 - Conference Contribution (Conference Proceeding)

SP - 159

EP - 163

BT - IST Mobile Communications Summit, Thessaloniki, Greece

T2 - IST Mobile Communications Summit

Y2 - 1 June 2002

ER -

Miniature distributed filters for software re-configurable radio applications

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