Abstract
This paper demonstrates a new Low Temperature Co-fired Ceramic (LTCC) U-shape resonator. Based on this 3D structure, a Ka-band Substrate Integrated Waveguidebandpass filter isdesigned. Compared with the conventional two dimensional PCB, LTCC technology achieveshigher Qe factor, higher density, smaller size, and lower cost. EM simulator HFSS is employed in determining and optimizingthephysical dimension of the filter.The filter's simulation results showfractional bandwidth (FBW) of3.94% centered at 34.7 GHzwith insertion loss of -1.2 dB and return loss of -20 dB in the passband. The attenuation of -30dB is obtained at 32.8 GHz and 36.8 GHz.
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