A C-Ku Band 5-Bit MMIC Phase Shifter Using Optimized Reflective Series/Parallel LC Circuits(Active(Phase Shifter))(<Special Issue>Recent Trends on Microwave and Millimeter Wave Application Technology)

概要

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A C-Ku band 5-bit MMIC phase shifter using optimized reflective series/parallel LC circuits is presented. The proposed circuit has frequency independent characteristics in the case of 180° phase shift, ideally. Also, an ultra-broad-band circuit design theory for the 180° optimized reflective circuit has derived, which gives optimum characteristics compromising between loss and phase shift error. The fabricated 5-bit MMIC phase shifter with SPDT switch has successfully demonstrated a typical insertion loss of 9.4dB ± 1.4dB, and a maximum RMS phase shift error of 7° over the 6 to 18GHz band. The measured results validate the proposed design theory of the phase shifter.
社団法人電子情報通信学会の論文
2003-12-01