Coplanar-Waveguide Ultra-Wideband Bandpass Filter Based on Interdigital Structure
- Yanyan Peng, Feng Xu
- Corresponding Author
- Yanyan Peng
Available Online March 2015.
- https://doi.org/10.2991/iset-15.2015.46How to use a DOI?
- Bandpass filter, Coplanar waveguide, Defected ground structure, Interdigital coupling, Ultra wideband
- In this paper, a novel ultra wideband (UWB) bandpass filter based on interdigital structure is proposed. The proposed UWB bandpass filter is designed on coplanar waveguide (CPW) with the passband obtained by interdigital structure on the step-change center strip of CPW. The rectangular curling slots are adopted to improve the stopband characteristics and the normal slots are used to restrain the insertion loss of the filter in passband. The interdigital structure and all slots are on the same side of a circuit board which makes the UWB bandpass filter compact and easily realized. Simulations and measurements verify the design idea and the proposed filter has a more than 150% -3dB fractional bandwidth centered at 5.56 GHz as well as sharp skirt selectivity at the upper passband edge.
- Open Access
- This is an open access article distributed under the CC BY-NC license.
Cite this article
TY - CONF AU - Yanyan Peng AU - Feng Xu PY - 2015/03 DA - 2015/03 TI - Coplanar-Waveguide Ultra-Wideband Bandpass Filter Based on Interdigital Structure BT - First International Conference on Information Science and Electronic Technology (ISET 2015) PB - Atlantis Press SN - 2352-538X UR - https://doi.org/10.2991/iset-15.2015.46 DO - https://doi.org/10.2991/iset-15.2015.46 ID - Peng2015/03 ER -