期刊
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
卷 31, 期 6, 页码 565-568出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2021.3071363
关键词
Power dividers; Phase shifters; Varactors; Prototypes; Power measurement; Couplers; Slot lines; Magic-T; planer circuit; variable dividing ratio; variable phase shifter; variable power divider
In this letter, a novel variable power divider is proposed, providing wide-range power division. The theoretical discussion and experimental evaluation of a prototype confirm the concept and feasibility of the proposed circuit design.
In this letter, a novel variable power divider, which provides wide-range variable power division, is proposed. The proposed power divider consists of a magic-T, variable phase shifter, and 90 degrees delay line. The operating principle of the proposed circuit is theoretically discussed, and a 5-GHz band prototype using a planar magic-T is designed and experimentally evaluated. The measured power division range is more than 14 dB with a small phase difference variation of less than 15 degrees. The concept and feasibility of the proposed variable power divider are experimentally confirmed.
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