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Design of a broadband directional coupler using microstrip-like multilayer technology

✍ Scribed by Chelsia Lim; Sener Uysal

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
115 KB
Volume
23
Category
Article
ISSN
0895-2477

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✦ Synopsis

An impro¨ed 3 dB broadband double-sided slot-coupled directional coupler has been designed and implemented. The slot is modified by trimming the sharp rectangular edges and the coupled microstrip lines in the coupling region. The performance of the coupler shows good agreement with the simulated frequency response. The main impro¨ement is in the significant reduction of ripple amplitude in the design bandwidth. Insertion loss of the no¨el coupler has also been reduced compared to the con¨entional rectangular slot coupler.

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