Waveguide circulator

Details Waveguide circulator Waveguide circulator

1976-08-02

1977-11-15

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333 9, H01P 138

Patent

active

040587800

ABSTRACT:
A three-port waveguide circulator has three waveguide arms which meet at a common junction. A transformer step in the form of a Y-shaped ridge is disposed symmetrically at the common junction. This waveguide ridge step preferably supports a quarterwave gyromagnetic element. The step may be formed by cutting slots from a standard transformer step to form the ridge. The resulting ridge structure is of reduced size including reduced length compared to a standard uniform transformer section which is advantageous for certain applications such as in constructing a four-port circulator as disclosed herein. A double ridge step may also be used.

REFERENCES:
patent: 3231835 (1966-01-01), Nielsen et al.

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