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Proceedings Paper

Transvar directional coupler for millimeter-wave application
Author(s): Yonghui Shu
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Paper Abstract

A millimeter-wave band coupler at 77.5 GHz with 6 dB couplinglevel has been developed. The coupler offered less than 2.0 dBinsertion loss, ± 0.5 dB variation in coupling level and a typicalisolation of 25 dB over approximately 10 GHz bandwidth. Otherfrequency band couplers with different coupling factor have beendeveloped also. The advantages of this type of directional couplerare its large flexible coupling level selection (from 0 to 100percent), simplicity in design, low cost and excellent producibility.

Paper Details

Date Published: 30 August 1993
PDF: 2 pages
Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 210458 (30 August 1993); doi: 10.1117/12.2298620
Show Author Affiliations
Yonghui Shu, Epsilon Lambda Electronics Co. (United States)

Published in SPIE Proceedings Vol. 2104:
18th International Conference on Infrared and Millimeter Waves
James R. Birch; Terence J. Parker, Editor(s)

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