Yig component

Details Yig component Yig component

1994-10-21

1996-05-14

Gensler, Paul

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

331 96, 3332192, H01P 1218

Patent

active

055171613

ABSTRACT:
A YIG component for providing a microwave frequency output signal has a cavity holding an electromagnetic circuit defining an air gap between a pair of pole pins. The cavity having a tuning coil for generating a homogeneous magnetic field in the air gap, and further holding a YIG unit comprising a carrier; at least one ferrite crystal arranged in the air gap; and an interface connected to the ferrite crystal or crystals for providing the microwave frequency output signal. A magnetic core is included in the electromagnetic circuit and comprises the pole pins combined with magnetic flux closing path elements shaped as bars, the pole pins and the bar-shaped elements forming an open structure. The YIG component includes a support housing made of a nonmagnetic material having formed therein the above-mentioned cavity and having inside the cavity integral precision-tooled surfaces for the carrying and relative positioning of the electromagnetic circuit and the YIG unit. The surfaces comprise a first positioning seat for the magnetic core and a second positioning seat for the carrier, the core and the carrier being thus supported separately by the support housing.

REFERENCES:
patent: 4484161 (1984-11-01), Barger
patent: 4605911 (1986-08-01), Jin
patent: 4651116 (1987-03-01), Schloemann
patent: 5115209 (1992-05-01), Grace et al.

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