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What is Compact Wideband Coupled-Line Coupler about?

This document summarizes a new design for a compact and wideband coupled-line coupler with high coupling levels. The proposed design uses periodic shunt stubs between two coupled microstrip lines. This increases the difference between the even and odd mode phase velocities and decreases the coupled line length compared to conventional designs. A 0-dB coupler prototype was designed and fabricated with 0.6mm stub lengths. Measurements showed it achieved ±2dB amplitude balance, 15dB matching, and 15dB isolatio

Author

Munazzah Taimuri

Language

EN