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Design of Ring Couplers for Arbitrary Power Division With 50 \Omega Lines

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2 Author(s)
Myun-Joo Park ; Dept. of Wireless Commun. Eng., Kwangwoon Univ., Seoul, South Korea ; Byungje Lee

A new 0°/180° ring coupler structure is proposed for the arbitrary power division ratios. The proposed coupler consists only of 50 Ω transmission lines with the simple ring structure. The electrical lengths of the 50 Ω branches are adjusted to obtaining any desired values of the power division ratio without changing the impedance. A very wide range of power division ratios can be obtained easily with the simple 50 Ω line based ring structure.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:21 ,  Issue: 4 )