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Miniaturized Dual-Band Substrate Integrated Waveguide Filter With Controllable Bandwidths

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3 Author(s)
Wei Shen ; Center for Microwave and RF Technologies, Shanghai Jiao Tong University, Shanghai, China ; Wen-Yan Yin ; Xiao-Wei Sun

A set of miniaturized dual-band bandpass filters is presented with a quadruple-folded substrate integrated waveguide (SIW) implemented into each design. They were fabricated using standard low temperature co-fired ceramic (LTCC) technology. The bandwidths of both passbands of the filters are adjustable independently by changing the geometrical parameters of the coupling structure. Two filter samples are demonstrated with central frequencies located at 2.4/5.2 and 2.4/5.7 GHz, respectively, and their measured S-parameters agree well with the simulated ones.

Published in:

IEEE Microwave and Wireless Components Letters  (Volume:21 ,  Issue: 8 )