Compact, wideband impedance tuner using a three‐line‐microstrip structure | Zendy

Heredia J. | Zendy; Ribó M. | Zendy; Pradell L. | Zendy

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Compact, wideband impedance tuner using a three‐line‐microstrip structure

Author(s) -

Heredia J.,

Ribó M.,

Pradell L.

Publication year - 2018

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2018.0602

Subject(s) - tuner , microstrip , electrical impedance , smith chart , wideband , bandwidth (computing) , electronic engineering , microstrip antenna , electrical engineering , impedance matching , engineering , computer science , telecommunications , radio frequency , antenna (radio)

A novel three‐line‐microstrip compact impedance tuner is presented. It is based on a multimodal structure wherein six variable capacitances, implemented with two parallel‐connected varactors each, create multiple interactions among the three‐line‐microstrip modes in a reduced circuit area. Experimental results show better‐than‐70% coverage of the Smith chart in an 85% frequency bandwidth from 1.4 to 3.2 GHz.

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