COMPACT COUPLED LINEAR TAPERED LINE BANDPASS FILTER WITH TWO TRANSMISSION ZEROS

Author: Zhong, Yin

Source: International Journal of Infrared and Millimeter Waves, Volume 27, Number 6, June 2006 , pp. 847-855(9)

Publisher: Springer

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Abstract:

A new compact bandpass filter composed of two coupled linear tapered line resonators (LTLRs) is designed. The two resonators are arranged in different layers. The filter has two transmission zeros on both sides of the passband. It has small size and steep response below its passband. It is also shown that this filter has 0.6 dB low insertion loss at the centre frequency and 10.5% 3dB bandwidth.

Keywords: ceramic filter; laminated filter; tapped line; Multistepped resonators; linear tapered-line resonators

Document Type: Research article

DOI: http://dx.doi.org/10.1007/s10762-006-9127-2

Publication date: 2006-06-01