초록

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Abstract ▼ AI-Helper

In this paper, we have designed a bandpass filter with via-holes ground on K-band To pass only the 25 ~30% of the bandwidth at the center frequency of 19.6GHz, we have designed a six-order interdigital bandpass filter using microstrip lines. Simulation results of optimization according to via-holes ...

In this paper, we have designed a bandpass filter with via-holes ground on K-band To pass only the 25 ~30% of the bandwidth at the center frequency of 19.6GHz, we have designed a six-order interdigital bandpass filter using microstrip lines. Simulation results of optimization according to via-holes size and numbers of interdigit bandpass filter shows a excellent agreement with theoretical values on passband frequency. Experimental results of BP filters show that mesaured center frequency is 19.150Hz, insertion loss, -4.1dB, reflection coefficient, -16.7dB. It proved that the vis-holes ground size and numbers must be considered to design the bandpass filter.