Title

Electrically Tunable Integrated Patch Antenna With Planar Filter

Keywords

Antenna integration; Bandpass filter; Patch antenna; Tunable filter

Abstract

An electrically tunable planar hairpin filter integrated with a microstrip patch antenna is proposed in this paper. The patch antenna is integrated as a resonator, contributing to a second-order filter. The integration is performed to eliminate 50-ohm transition losses and reduce the overall structure size. The antenna is magnetically coupled to the hairpin resonator and operates at a center frequency of 3.03 GHz with a fractional bandwidth of 2.38%. The gain of the patch antenna is 5.41 dBi. Electrical tuning ability is provided via four varactors with a filter response tuning range from 2.77 GHz to 3.19 GHz.

Publication Date

6-9-2015

Publication Title

2015 IEEE 16th Annual Wireless and Microwave Technology Conference, WAMICON 2015

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/WAMICON.2015.7120365

Socpus ID

84942626980 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84942626980

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