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|Title:||Phase shifter based tunable bandpass filters|
tunable bandpass filter
|Source:||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|
|Appears in Collections:||Staff Publications|
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