1. Compact branch-line balun using coupled-line and open stubs fabricated on paper substrate.
- Author
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Kanaparthi, V. Phani Kumar, Barik, Rusan Kumar, Idury, Satya Krishna, and S.S., Karthikeyan
- Subjects
- *
ELECTRIC lines , *MATERIALS testing , *BIODEGRADABLE materials - 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]
- Published
- 2021
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