A Non-foster Matching Circuit for an Ultra-wideband Electrically Small Monopole Antenna

Yinfeng Xia, Yingsong Li, Shuai Zhang

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

3 Citations (Scopus)

Abstract

In this paper, a negative-capacitance non-foster circuit (NFC) is designed to match an electrically small monopole antenna with a height of 300 mm. Since the effectiveness of an electrically small antenna is severely limited by gain-bandwidth theory due to high-Q impedances, a non-foster circuit is proposed to overcome this limitation. The proposed circuit is verified by using co-simulation based on HFSS and ADS, and the results indicate that the electrically small monopole antenna is well matched to the designed NFC with a bandwidth of 173% which ranges from 16 MHz- 222MHz.

Original languageEnglish
Title of host publicationEuropean Conference on Antennas and Propagation (EuCAP) 2019
Number of pages3
PublisherIEEE
Publication date2019
Article number8740009
ISBN (Print)978-1-5386-8127-5
ISBN (Electronic) 978-88-907018-8-7
Publication statusPublished - 2019
Event13th European Conference on Antennas and Propagation, EuCAP 2019 - Krakow, Poland
Duration: 31 Mar 20195 Apr 2019

Conference

Conference13th European Conference on Antennas and Propagation, EuCAP 2019
CountryPoland
CityKrakow
Period31/03/201905/04/2019

Keywords

  • Monopole antenna
  • negative-capacitance non-foster circuit
  • super-band electrically small antenna

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