期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 21, 期 5, 页码 1007-1011出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2022.3154484
关键词
Antennas; Slot antennas; Antenna measurements; Semiconductor diodes; Microstrip antennas; Plasmas; Voltage measurement; Frequency-reconfigurable; planar slot antenna; solid-state plasma antenna; surface-pin (S-PIN)
资金
- National Natural Science Foundation of China [62071221, 62071442, U2141232]
- Equipment Advance Research Foundation of China [80909010302]
- Aeronautical Science Foundation of China [2019ZA037001]
- Key Laboratory of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Ministry of Education of China [NJ20210006]
A novel frequency-reconfigurable solid-state plasma chip antenna based on plane slot is proposed, which can achieve cross-band frequency switching and exhibits prominent reconstruction characteristics. It offers high integration compared with traditional reconfigurable antennas.
A novel frequency-reconfigurable solid-state plasma chip antenna based on plane slot is proposed. The radiation slot of the antenna is embedded with a surface-PIN (S-PIN) diode and fed by a microstrip line through electromagnetic coupling. The state of the S-PIN diode can be switched by applying a forward bias voltage to realize the reconfigurable radiation slot of the antenna. The structure parameters of the S-PIN diode have been optimized. The overall size of the silicon-on-insulator (SOI) substrate is controlled at 20 x 10 x 0.35 mm. A prototype of the proposed antenna is fabricated and measured. The measured results show that the proposed antenna can realize cross-band frequency switching from 6.8 to 15.5 GHz. Meanwhile, the normalized radiation patterns show prominent reconstruction characteristics as the bias voltage changes. The proposed solid-state plasma antenna offers high integration compared with traditional reconfigurable antennas. The experiment results validate the applicability of the S-PIN diodes to manufacture reconfigurable planar slot antennas.
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