Planar ultra‐wideband balun using coupled microstrip lines
Author(s) -
Abbosh A.
Publication year - 2013
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.2013.0922
Subject(s) - balun , microstrip , planar , ultra wideband , optoelectronics , wideband , materials science , electronic engineering , monolithic microwave integrated circuit , microstrip antenna , electrical engineering , engineering , computer science , antenna (radio) , amplifier , computer graphics (images) , cmos
A planar balun based on using parallel‐coupled microstrip lines is presented. It is designed to transfer the unbalanced microstrip line to a balanced coplanar stripline as needed in many applications such as centre‐fed dipole antennas. The balun includes a T‐junction of stepped‐impedance and tapered microstrip lines and two pairs of stepped‐impedance parallel‐coupled lines. The designed balun covers the band from 3 to 11 GHz with less than 0.4 dB insertion loss.
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