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Title: Phase shifter based tunable bandpass filters
Authors: Taslimi, A.
Mouthaan, K. 
Keywords: Phase shifter
tunable bandpass filter
Issue Date: 2011
Citation: Taslimi, A.,Mouthaan, K. (2011). Phase shifter based tunable bandpass filters. 2011 German Microwave Conference, GeMiC 2011 - Proceedings : -. ScholarBank@NUS Repository.
Abstract: A tunable bandpass filter with a phase shifter as the tuning component is presented. The filter is based on a half wavelength transmission line and two small capacitors where the half wavelength transmission line is replaced by a phase shifter to realize a tunable filter. The tuning range of the fabricated filter is 30% and the core size is 11x5 mm2. To improve the performance of the filter, a fixed and a tunable transmission zero are added at the input and the output of the filter and the series capacitors are replaced by varactor diodes. A tuning range from 721 MHz to 1110 MHz (42.5%) for a constant bandwidth of 188 MHz is achieved. © 2011 Institut fur Mikrowellen.
Source Title: 2011 German Microwave Conference, GeMiC 2011 - Proceedings
ISBN: 9783981266825
Appears in Collections:Staff Publications

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