60-GHz 3-D Cavity Bandpass Filter for V-Band Gigabit Wireless Systems
Keywords:
60-GHz, bandpass filter, compact, Low-Temperature Co-fired Ceramic (LTCC)Abstract
In this paper, a compact 60-GHz Three-Dimensional (3-D) SIW-based bandpass filter is presented using Low-Tmperature Cofired Ceramic technology (LTCC). The filter is composed of four cavities. The coupling scheme is made up of three direct coupling and one cross coupling between the first and the fourth SIW cavities. By using the cross coupling technology and the cavity transformation property, two Transmission Zeros (TZs) are introduced outside the passband to increase the filtering selectivity. Both simulated and measured results are presented in good agreement.
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