Please use this identifier to cite or link to this item: https://doi.org/10.1002/mop.23176
Title: Parallel-coupled bandpass filter with improved rejection slope using δ-offset length
Authors: Soh, J.
Chew, S.T.
Ooi, B.-L. 
Keywords: Coupled transmission lines
Improved rejection
Microwave filter
Issue Date: Mar-2008
Source: Soh, J., Chew, S.T., Ooi, B.-L. (2008-03). Parallel-coupled bandpass filter with improved rejection slope using δ-offset length. Microwave and Optical Technology Letters 50 (3) : 680-683. ScholarBank@NUS Repository. https://doi.org/10.1002/mop.23176
Abstract: In this article, a novel method to improve the rejection of edge coupled filters by perturbing the coupled line sections by a length, δ, is introduced. This gives controls over the null position between the fundamental and 1st harmonic of the filter which results in a steeper rejection slope by shifting this null closer to the centre frequency. A 4th order 5 GHz band-pass filter is designed and tested. Measured results show an improvement of about 9 dB at 6 GHz © 2008 Wiley Periodicals, Inc.
Source Title: Microwave and Optical Technology Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/56988
ISSN: 08952477
DOI: 10.1002/mop.23176
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