A New Broadband High Directivity 3dB-Hybrid and Power Divider

Lennart Nystrom

doi:10.1109/euma.1980.332866

A New Broadband High Directivity 3dB-Hybrid and Power Divider

Lennart Nystrom

https://doi.org/10.1109/euma.1980.332866

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Publication Date: Oct 1, 1980

Citations: 1

Affiliation: Chalmers University of Technology

#Power Divider #2-way Divider + Show 8 more

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Abstract

This paper shows an analytic way of synthesizing the 2-way Wilkinson power divider without any CAD optimization. The bandwidth in the new design is increased by increasing the number of quarter-wave transformer in the even and odd mode equivalent circuits. Only one isolating resistance is used independent of bandwidth. The new power divider is converted into a 180°/90° 3dB-hybrid with 4 output ports. This 4-port component has a high directivity independent of frequency when used as a 180° 3dB-hybrid. Experimental results are given for a 2-way divider and a 3dB-hybrid built in microstrip with the center frequency 5 GHz.

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