Title :
Miniaturised branch-line balun with bandwidth enhancement
Author :
Li, Jia-Lin ; Qu, Shi-Wei
Author_Institution :
City Univ. of Hong Kong, Hong Kong
Abstract :
A miniaturised branch-line balun with bandwidth enhancement is investigated. The improved performance is achieved by meandering the branches and attaching a quarter-wavelength stub at the upper right corner of the conventional branch-line balun. Centred at 1.5 GHz, the introduced balun is optimally designed and validated by experiments. A circuit size of 20% is achieved as compared to the conventional type, and good electrical performance is observed.
Keywords :
baluns; integrated circuit design; bandwidth enhancement; circuit size; electrical performance; frequency 1.5 GHz; meandered branches; miniaturised branch-line balun; quarter-wavelength stub;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20071074
