High-frequency signal transmission system

Details High-frequency signal transmission system High-frequency signal transmission system

1994-02-24

1996-04-16

Lee, Benny

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333 34, H01P 120

Patent

active

055086691

ABSTRACT:
A high-frequency signal transmission system for use as a microwave antenna or filter has a plurality of cascaded conical or planar inner conductors each having a unitary exponential gradient, a pair of circular lines or impedance-matching lines having identical dimensions and connected respectively to opposite ends of the conical or planar inner conductor for providing a predetermined characteristic impedance, and a cylindrical or rectangular tubular outer conductor covering the conical or planar inner conductor and the circular or impedance-matching lines with a cavity defined between the conical or planar inner conductor and the cylindrical or rectangular tubular outer conductor.

REFERENCES:
patent: 2438915 (1948-04-01), Hansen
patent: 2641646 (1953-06-01), Thomas
patent: 3419813 (1968-12-01), Kamnitsis
patent: 3909755 (1975-09-01), Kaunzinger
Hall, "Impedance Matching By Tapered or Stepped Transmission Lines", Microwave Journal, Mar. 1966, pp. 109-114.
"The Transmission Characteristics of the Circuits Constructed with the Cascade Connection of Unit Exponential Lines", G. Sugawara et al., The Technology Reports of Tohoku University, vol. 45 (1980), pp. 273-286.
"Microwave Transmission Circuits", George L. Bagan, McGraw-Hill Book Company, Inc. (1948), pp. 9-13 of Chapter 2, 24, 184-188 and 614-615.

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