Wide‐stopband Wilkinson power divider with bandpass response | Zendy

Chau W.M. | Zendy; Hsu K.W. | Zendy; Tu W.H. | Zendy

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Wide‐stopband Wilkinson power divider with bandpass response

Author(s) -

Chau W.M.,

Hsu K.W.,

Tu W.H.

Publication year - 2014

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2013.3264

Subject(s) - stopband , band pass filter , wilkinson power divider , microstrip , power dividers and directional couplers , electronic engineering , frequency divider , physics , optics , engineering

A wide‐stopband Wilkinson power divider with bandpass response and good isolation is presented. A 3‐terminal, 2‐pole bandpass filter and two 3‐pole lowpass filters are used to replace the two quarter‐wavelength transformer in a conventional Wilkinson power. The divider consists of two shorted‐circuited half‐wavelength stepped‐impedance resonators and two 3‐pole microstrip stepped‐impedance lowpass filters. Thus, the divider achieves not only a bandpass response but also a very wide stopband. For the upper stopband performance, the rejection level is >10 dB up to 22.2 times the centre frequency.

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