Compact rat‐race ring coupler with capacitor loading | Zendy

Shao Wei | Zendy; He Jun | Zendy; Wang BingZhong | Zendy

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Compact rat‐race ring coupler with capacitor loading

Author(s) -

Shao Wei,

He Jun,

Wang BingZhong

Publication year - 2010

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.24823

Subject(s) - rat race coupler , microwave , microstrip , capacitor , ring (chemistry) , hybrid coupler , engineering , electrical engineering , topology (electrical circuits) , electronic engineering , optoelectronics , materials science , telecommunications , power dividers and directional couplers , voltage , chemistry , organic chemistry

A simple compact microstrip rat‐race ring coupler with capacitor loading is presented in this letter. The new coupler not only effectively reduces the occupied area to 15% of the conventional one at 1.0 GHz, but also has high harmonic suppression performance over a wide band. Furthermore, the new structure has only two variable parameters and can be easily designed. The design is validated both by simulation and measurement. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 7–9, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24823

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