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A wideband uniplanar 180-degree hybrid ring coupler

✍ Scribed by A. S. Yanev; B. N. Todorov; V. Z. Ranev


Book ID
110669471
Publisher
Springer
Year
2000
Tongue
English
Weight
422 KB
Volume
43
Category
Article
ISSN
0020-4412

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## Abstract In this study, a wideband compact parallel‐strip 180Β° hybrid coupler with the center frequency of 2 GHz is presented. By replacing the 270Β° section in the 180Β° hybrid coupler with a parallel‐strip phase reversal swap, the total circuit size is reduced by half. In this structure, the pha