A 60 GHz-band planar dielectric waveguide filter for flip-chip modules
作者： M. Ito , K. Maruhashi , K. Ikuina , T. Hashiguchi , S. Iwanaga
DOI: 10.1109/22.971632
关键词: Bandwidth (signal processing) 、 Insertion loss 、 Coplanar waveguide 、 Center frequency 、 Stopband 、 Chebyshev filter 、 Band-pass filter 、 Materials science 、 Waveguide filter 、 Optics
摘要: A planar dielectric waveguide filter with coplanar (CPW) I/O ports suitable for flip-chip bonding is proposed and demonstrated 60-GHz-band applications. The formed incorporating metallized through holes in an alumina substrate. In order to improve stopband rejection, short-circuited CPW resonators a half-wavelength are added waveguide-to-CPW transitions. fabricated four-resonator exhibits insertion loss of 3.2 dB 3-dB bandwidth 3.0 GHz rejection 35 at 3-GHz lower separation from center frequency 59.5 GHz. mounted by using multilayer ceramic package structures suppress parasitically propagating electromagnetic waves. No degradation the observed 50 80
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