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A Wideband Balanced-to-Unbalanced Coupled-Line Power Divider

A compact wideband balanced-to-unbalanced (BTU) out-of-phase power divider (PD) is proposed in this letter. This novel circuit essentially consists of three pairs of cascaded coupled lines and a grounded resistor for output isolation. By using the even- (odd-) mode method analysis and the traditiona...

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Published in:	IEEE microwave and wireless components letters 2016-06, Vol.26 (6), p.410-412
Main Authors:	Weiwei Zhang, Yongle Wu, Yuanan Liu, Ghannouchi, Fadhel M., Hasan, Abul
Format:	Article
Language:	English
Subjects:	Balanced-to-unbalanced common-mode suppression Consistency Differential equations Impedance Joining Mathematical analysis Microwaves power divider (PD) Power dividers Resistors Scattering parameters Wideband Wireless communication
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creator	Weiwei Zhang Yongle Wu Yuanan Liu Ghannouchi, Fadhel M. Hasan, Abul
description	A compact wideband balanced-to-unbalanced (BTU) out-of-phase power divider (PD) is proposed in this letter. This novel circuit essentially consists of three pairs of cascaded coupled lines and a grounded resistor for output isolation. By using the even- (odd-) mode method analysis and the traditional transmission-line theory, closed-form design equations for equal power division with out of phase from one differential input to two unbalanced outputs, high output isolation and good common-mode suppression are obtained, simultaneously. In addition, an experimental PD is designed and fabricated. The good performance and the consistency between the simulated and measured results verify our design theory.
doi_str_mv	10.1109/LMWC.2016.2561400
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source	IEEE Electronic Library (IEL) Journals
subjects	Balanced-to-unbalanced common-mode suppression Consistency Differential equations Impedance Joining Mathematical analysis Microwaves power divider (PD) Power dividers Resistors Scattering parameters Wideband Wireless communication
title	A Wideband Balanced-to-Unbalanced Coupled-Line Power Divider
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