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A Compact V-Band Bandpass Filter in IPD Technology

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3 Author(s)
Chih-Yin Hsiao ; Department of Electrical Engineering, Institute of Electronics Engineering, National Tsing Hua University, Hsinchu, Taiwan ; Shawn S. H. Hsu ; Da-Chiang Chang

This work presents a miniaturized bandpass filter in V-band using integrated passive device (IPD) technology with thick metal layers and Benzocyclobutene (BCB) dielectric on a glass substrate. The proposed filter, comprised of two stepped-impedance resonators with quarter-wave short-circuited stubs and floating pads, has low passband insertion loss and high stopband attenuation in a compact size. The fabricated filter has an insertion loss of 2.46 dB at the center frequency of 59 GHz, and a 3 dB bandwidth from 55.7 to 62.2 GHz. The core size of this filter is only 0.32×0.4 mm2(0.064 ×0.08 λ02).

Published in:

IEEE Microwave and Wireless Components Letters  (Volume:21 ,  Issue: 10 )