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In this paper, a miniature 2.4-GHz switched beamformer module is proposed. The proposed switched beamformer module is based on the integrated passive device (IPD) technology, and it integrates a 4 × 4 Butler matrix and an absorptive single-pole four-throw (SP4T) beam-selection switch into a compact module size of only 4.9 mm × 5.0 mm × 0.4 mm. The compact module size is achieved by using bridged-T...
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 compact transformer-coupled balun bandpass filter is presented. The proposed balun bandpass filter features a compact chip size, and it can be designed according to the desired bandpass response and reference impedance. Specifically, a balun bandpass filter with 3rd-order bandpass response is demonstrated using the silicon-based integrated passive device process. The chip size is 2...
In this work, a miniature switched beamformer module at 2.4 GHz is proposed using the glass-based integrated passive device (IPD) technology. With the proposed bridged-T coil based designs, the circuit size of both the 4×4 Butler matrix and the single-pole four-throw RF switch can be largely reduced. They are then integrated into a compact IPD chip size of only 4.7 mm×4.7 mm to achieve a miniature...
In this letter, a miniaturized ultra-wideband bandpass filter based on thin-film integrated passive device process is proposed. The multi-mode resonator is adopted to achieve a wide bandwidth from 3.1 to 10.6 GHz. By using the bridged-T coil to replace the transmission line of multi-mode resonator, the circuit size is largely reduced while the multi-mode property can be retained. The filter size without...
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