Signal-to-noise ratio improvement of a FM antenna using a non-foster circuit

Hongwoo Park; Sungtek Kahng; Hongjoon Kim

doi:10.5370/KIEE.2016.65.2.329

Signal-to-noise ratio improvement of a FM antenna using a non-foster circuit

Hongwoo Park, Sungtek Kahng, Hongjoon Kim

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

In this paper, we demonstrate a Non-Foster matching method for an electrically small antenna to improve the signal-to-noise ratio (SNR) of communication link. For the experiment, we used a general FM antenna whose resonance frequency is about 52-57 MHz and a floating type Linvill negative impedance converter(NIC)-based circuit as a Non-Foster matching element. By implementing the Non-Foster circuit to cover FM band, we can achieve a wide bandwidth matching covers 40-200 MHz. Our measurement shows 3-7 dB improvement of SNR for the same bandwidth though there are several spikes which means no improvement of SNR in the band.

Original language	English
Pages (from-to)	329-334
Number of pages	6
Journal	Transactions of the Korean Institute of Electrical Engineers
Volume	65
Issue number	2
DOIs	https://doi.org/10.5370/KIEE.2016.65.2.329
State	Published - Feb 2016

Keywords

Broadband matching
FM antenna
Negative impedance converter
Non-foster impedance matching
Signal-to-noise ratio improvement.

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10.5370/KIEE.2016.65.2.329

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title = "Signal-to-noise ratio improvement of a FM antenna using a non-foster circuit",

abstract = "In this paper, we demonstrate a Non-Foster matching method for an electrically small antenna to improve the signal-to-noise ratio (SNR) of communication link. For the experiment, we used a general FM antenna whose resonance frequency is about 52-57 MHz and a floating type Linvill negative impedance converter(NIC)-based circuit as a Non-Foster matching element. By implementing the Non-Foster circuit to cover FM band, we can achieve a wide bandwidth matching covers 40-200 MHz. Our measurement shows 3-7 dB improvement of SNR for the same bandwidth though there are several spikes which means no improvement of SNR in the band.",

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AB - In this paper, we demonstrate a Non-Foster matching method for an electrically small antenna to improve the signal-to-noise ratio (SNR) of communication link. For the experiment, we used a general FM antenna whose resonance frequency is about 52-57 MHz and a floating type Linvill negative impedance converter(NIC)-based circuit as a Non-Foster matching element. By implementing the Non-Foster circuit to cover FM band, we can achieve a wide bandwidth matching covers 40-200 MHz. Our measurement shows 3-7 dB improvement of SNR for the same bandwidth though there are several spikes which means no improvement of SNR in the band.

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Signal-to-noise ratio improvement of a FM antenna using a non-foster circuit

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