超宽带微带带通滤波器的设计

doi:10.16088/j.issn.1001-6600.2017.04.005

Abstract

Abstract: Based on the defected microstrip structure (DMS), a new H-shaped DMS microstrip filter is proposed. A small ultra-wideband microstrip bandpass filter is designed and fabricated using the DMS structure and the 1/4 wavelength shorted resonator. The filter is analyzed and simulated by ADS software. The designed filter is tested by physical processing. The test results show that the relative bandwidth of the filter reaches 116%, and the band with -20 dB is 12-19 GHz and its width is 7 GHz, which is consistent with the theoretical analysis. The size of the filter is 13.7 mm× 6.8 mm, with a small insertion loss, simple structure, and other advantages.

Key words: bandpass filter, defect microstrip structure (DMS), ultra-wideband, short-circuit branch, ADS

CLC Number:

TN713

YUAN Weiqiang, SONG Shuxiang, CHENG Yang, ZHANG Yonggan. Design of Ultra-Wideband Microstrip Bandpass Filter[J].Journal of Guangxi Normal University(Natural Science Edition), 2017, 35(4): 32-38.

References

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