Compact frequency-reconfigurable circular patch antenna with varactor diode: Design, tuning, and compactness optimization

被引:0
作者
Cildir, Abdulkadir [1 ]
Gozel, Mahmut Ahmet [2 ]
机构
[1] Fac Engn & Architecture, Elect Elect Engn, Burdur, Turkiye
[2] Fac Engn & Nat Sci, Elect Elect Engn, Isparta, Turkiye
关键词
frequency-reconfigurable circular patch antenna; tuning range; varactor diode; SLOT ANTENNA;
D O I
10.1002/mop.34341
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this study, a frequency-reconfigurable circular patch antenna with a varactor diode has been presented. The proposed antenna has been designed and investigated in four steps: circular patch antenna (Antenna 1), antenna with double slots (Antenna 2), antenna with quad slots (Antenna 3), and antenna with varactor diode (Antenna 4). The proposed antenna has been made compact with rectangular slots and a hyperabrupt junction tuning varactor diode (SMV1249-079LF). The proposed antenna has been designed and produced in 32 x 32 x 0.64 mm3 dimensions, approximately 80% minimized compared to a microstrip circular patch antenna operating at 850 MHZ resonance frequency. This frequency-reconfigurable antenna can perform between the range of 0.85-1.3 GHz frequency with 0-3 V DC voltage tuning of the varactor diode. So, using with the varactor diode, the proposed antenna has obtained a 53% tuning range between 0.85 and 1.3 GHz frequencies. This study offers a different antenna design, compactness, and high tuning ratio compared to previous studies. This frequency reconfigurable antenna can be preferred with its wideband structure in different communications areas and wireless energy transfer systems.
引用
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页数:9
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