Institution of Engineering and Technology;Stevenage: The Institution of Engineering and Technology
摘要:
摘要: A compact and independently switchable dual-band bandpass filter is presented. To achieve high selectivity response, transmission zeros beside the two passbands are generated due to crossed coupling. On the other hand, the use of quarter-wavelength stepped-impedance resonators can not only miniaturise circuit size but also widen the stopband by arranging the resonant frequencies in a stagger with the same fundamental frequency. The pin diodes are loaded at the end of the resonators as the switching devices to independently control each passband. 出版者: Stevenage: The Institution of Engineering and Technology 出版日期: 2013-09-26 出處: Electronics letters, 2013-09, Vol.49 (20), p.1275-1277 資源來源: Wiley Online Library Open Access 版權: The Institution of Engineering and Technology 版權: 2020 The Institution of Engineering and Technology 版權: 2014 INIST-CNRS 識別號: ISSN: 0013-5194 識別號: ISSN: 1350-911X 識別號: EISSN: 1350-911X 識別號: DOI: 10.1049/el.2013.2154 識別號: CODEN: ELLEAK