Microstrip directional coupler

Details Microstrip directional coupler Microstrip directional coupler

1993-11-09

1994-12-13

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333238, H01P 518

Patent

active

053732669

ABSTRACT:
A directional coupler is formed with adjacent edges of its microstrips following curved paths having reversals in curvature such as a series of sine waves or half circles.

REFERENCES:
patent: 3332039 (1967-07-01), Oh
Podell, Allen, "A High Directivity Microstrip Coupler Technique", IEEE GM May, 1970.
Tremblay, M. D., "Design of High Directivity Microstrip Quarter Wavelength Directional Coupler With Small Coupling Coefficients", Bell Laboratories, Aug. 6, 1973.
Rehnmark, Meansler-Folded Coupled Lines, IEEE Trans. on MTT, vol. MTT-26, No. 4, Apr. 1978, pp. 225-231.

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