A New Type of Waveguide Directional Coupler

1 January 1948

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IRE

Vol. 36 (1) , 61-64
https://doi.org/10.1109/jrproc.1948.230916

Abstract

A type of waveguide directional coupler is described which has been carefully measured over a 12 per cent wavelength band centered at 3.3 centimeters. It combines the advantages of high directivity, low input standing-wave ratio, ease of design, and universality of application. Sufficient theory is given to explain the principles of its operation, and to allow its performance to be duplicated at other wavelengths. A number of design and performance curves are included.

Keywords

DIRECTIONAL COUPLERS
BRIDGE CIRCUITS
RADAR
IMPEDANCE MATCHING
COUPLING CIRCUITS
WAVELENGTH MEASUREMENT
TRANSMISSION LINES
SYSTEM TESTING
COMMUNICATION SYSTEMS

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