Variable ZC transmission line and its application to a tunable impedance transformer

Young Hoon Chun, Jia Sheng Hong

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

4 Citations (Scopus)

Abstract

This paper presents a new type of a transmission line with the variable characteristic impedance which is electronically tuned by RF switches or varactors. Furthermore, a tunable impedance transformer, which can be used to enhance the impedance matching between an antenna and RF front-end, using this variable ZC transmission line is fabricated and measured. By means of inserting a third metal between signal and ground metal, we can adjust the equivalent capacitance or inductance per unit length, which makes the novel transmission line have different characteristic impedances. The impedance transformer can be electronically varied from 10 to 65 O in a 50 O environment at the center frequency of 900 MHz.

Original languageEnglish
Title of host publication35th European Microwave Conference 2005 - Conference Proceedings
Pages893-896
Number of pages4
Volume2
DOIs
Publication statusPublished - 2005
EventGAAS 2005 - 13th European Gallium Arsenide and Other Compound Semiconductors Application Symposium - Paris, France
Duration: 3 Oct 20054 Oct 2005

Conference

ConferenceGAAS 2005 - 13th European Gallium Arsenide and Other Compound Semiconductors Application Symposium
CountryFrance
CityParis
Period3/10/054/10/05

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