Coaxial RF matching transformer having line sections simultaneou

Details Coaxial RF matching transformer having line sections simultaneou Coaxial RF matching transformer having line sections simultaneou

1983-05-18

1985-07-30

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

With impedance matching

333263, H03H 738

Patent

active

045324832

ABSTRACT:
A radio-frequency matching transformer including a wave guide (W) having a fixed length. The waveguide is subdivided into sections (W.sub.1, W.sub.2) which have different characteristic impedances and the lengths of which are interdependently adjustable. A hollow cylinder is provided within the waveguide displaceable therein such that the operating frequency and the transformation ratio can be adjusted within wide ranges without a conversion of the transformer being required. This results in considerable advantages with respect to the known quarter-wave transformer.

REFERENCES:
patent: 1927393 (1933-09-01), Darbord
patent: 2408745 (1946-10-01), Espley
patent: 2463415 (1949-01-01), Nims, Jr.
patent: 2900610 (1959-08-01), Allen et al.
Moreno, T., Microwave Transmission Design Data, N.Y., Dover Publication, 1948, p. 97.

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