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In this work, a miniaturized quintuple-mode resonator bandpass filter based on the silicon-based integrated passive device technology is proposed. The proposed quintuple-mode resonator bandpass filter is designed to achieve a wide bandwidth from 4 to 12 GHz and a very compact circuit size so as to meet the IF filter requirement of the Atacama Large Millimeter/submillimeter Array (ALMA) Band-1 receiver...
In this work, a miniature broadband branch-line coupler is proposed. By implementing the quarter-wavelength lines in a three-stage branch-line coupler using bridged T-coils, the circuit size can be largely reduced with no reduction in bandwidth. Specifically, a proposed broadband branch-line coupler with a center frequency f0 = 2.2 GHz is implemented using a silicon-based IPD process. The circuit...
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