Compact branch-line coupler with harmonics suppression using meander T-shaped line

Compact branch-line coupler with harmonics suppression using meander T-shaped line

ABSTRACT In this article, a new compact branch‐line coupler with third harmonics suppression using the meander T‐shaped line is suggested. The meander T‐shaped line works similar to a bandstop filter at the second and third harmonics frequencies. The size of the proposed coupler is 22.2 × 14.9 mm2,...

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Veröffentlicht in:Microwave and optical technology letters 2014-06, Vol.56 (6), p.1382-1384
Hauptverfasser: Choi, Kyo-Soon, Yoon, Ki-Cheol, Lee, Jae-Yeong, Lee, Choul-Ki, Kim, Seong-Cheol, Kim, Ki-Byoung, Lee, Jong-Chul
Format: Artikel
Sprache:eng
Schlagworte:
bandstop filter
Bandstop filters
branch-line coupler
compact size
Harmonics
harmonics suppression
Joining
meander T-shaped line
Meanders
Microwaves
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Zusammenfassung:ABSTRACT In this article, a new compact branch‐line coupler with third harmonics suppression using the meander T‐shaped line is suggested. The meander T‐shaped line works similar to a bandstop filter at the second and third harmonics frequencies. The size of the proposed coupler is 22.2 × 14.9 mm2, while a conventional coupler is 32.6 × 27.8 mm2. Thus, the proposed coupler is considerably smaller than the conventional coupler. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1382–1384, 2014
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.28331