Miniature filtering power divider with increased isolation bandwidth | Zendy

Chao ShihFong | Zendy; Li YouRuei | Zendy

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Miniature filtering power divider with increased isolation bandwidth

Author(s) -

Chao ShihFong,

Li YouRuei

Publication year - 2014

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2014.0458

Subject(s) - power dividers and directional couplers , isolation (microbiology) , bandwidth (computing) , wilkinson power divider , electrical engineering , electronic engineering , computer science , engineering , frequency divider , telecommunications , microbiology and biotechnology , biology

A novel filtering power divider (PD) with an extended isolation bandwidth is proposed. Adopting a frequency‐dependent resistor–inductor–capacitor isolation network enabled designing and improving isolation performance. An embedded 90° filtering line was realised by employing two coupled quarter‐wavelength resonators to achieve a bandpass response and a compact circuit size. The filtering PD was designed and implemented at a centre frequency of 1 GHz, and the isolation bandwidth (> 20 dB) was extended from DC to 2.2 f 0 .

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