Reconfigurable lowpass filter based on signal interference techniques

Miguel Á Sánchez-Soriano, Jia-Sheng Hong

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

This paper presents a novel reconfigurable filtering block based on signal interference techniques. The topology consists of the connection in parallel of three transmission lines of different electrical lengths. The lines can be switched on/off through the use of p-i-n diodes. In this way, the signal paths and their interferences are controlled providing different states (different cutoff frequencies). The proposed filter is easy to design and fabricate. As demonstration, a reconfigurable microstrip lowpass filter with three states (2.0, 3.0 and 4.0 GHz) is designed and implemented. The three states present selective responses with good rejection levels.

Original languageEnglish
Title of host publication2011 IEEE MTT-S International Microwave Symposium
PublisherIEEE
ISBN (Electronic)9781612847573
ISBN (Print)9781612847542
DOIs
Publication statusPublished - 4 Aug 2011
Event2011 IEEE MTT-S International Microwave Symposium - Baltimore, MD, United States
Duration: 5 Jun 201110 Jun 2011

Publication series

NameIEEE MTT-S International Microwave Symposium Digest
ISSN (Print)0149-645X

Conference

Conference2011 IEEE MTT-S International Microwave Symposium
Abbreviated title IMS 2011
CountryUnited States
CityBaltimore, MD
Period5/06/1110/06/11

Keywords

  • Lowpass Filter (LPF)
  • reconfigurable filter
  • signal interference

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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