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Compact branch-line balun using coupled-line and open stubs fabricated on paper substrate.
- Source :
-
AEU: International Journal of Electronics & Communications . Oct2021, Vol. 140, pN.PAG-N.PAG. 1p. - Publication Year :
- 2021
-
Abstract
- In this article, a novel transmission line model consisting of open stubs and a one-end connected coupled line is introduced as an alternative to the standard quarter wavelength transmission line (QWTL). The new transmission line unit is used to realize a highly compact branch-line balun. Even and odd mode analysis is employed to extract the closed-form design equations. To substantiate the theoretical analysis, a branch-line balun with f 0 = 0.9 GHz is implemented on a biodegradable substrate material and tested. The developed prototype is having a relative circuit area of 11.2% of the conventional balun. The measured results exhibit that the return loss is better than 20 dB. A good match is found between the simulated and tested results. [ABSTRACT FROM AUTHOR]
- Subjects :
- *ELECTRIC lines
*MATERIALS testing
*BIODEGRADABLE materials
Subjects
Details
- Language :
- English
- ISSN :
- 14348411
- Volume :
- 140
- Database :
- Academic Search Index
- Journal :
- AEU: International Journal of Electronics & Communications
- Publication Type :
- Academic Journal
- Accession number :
- 152516452
- Full Text :
- https://doi.org/10.1016/j.aeue.2021.153953