☆ 4.7 Article

Compact Low Frequency Varactor Loaded Tunable SRR Antenna

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (2013)

期刊

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION

卷 61, 期 4, 页码 2301-2304

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC

DOI: 10.1109/TAP.2013.2239952

关键词

Electrically small antenna (ESA); Split ring resonator (SRR); tunable antenna

类别

Engineering, Electrical & Electronic Telecommunications

资金

UK EPSRC [EP/F067968]
Engineering and Physical Sciences Research Council [EP/F067968/1] Funding Source: researchfish
EPSRC [EP/F067968/1] Funding Source: UKRI

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Reagent

摘要

An electrically small tunable split ring resonator antenna is presented. The resonance of the antenna is dependent on the resonance of the split rings. By loading the split ring with varactor diodes, the antenna operating frequency can be reduced and tuned. By applying a DC voltage of 1 to 9 V, the antenna is capable of tuning within the frequency range of 365 MHz to 500 MHz with the measured reflection coefficient of -10 dB. The antenna is compact and low profile. At the operation frequency of 365 MHz, it measures, 0.095 lambda x 0.046 lambda x 0.001 lambda, where lambda is the free space wavelength.

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