Yig component

A YIG component for providing a microwave frequency output signal, comprising:

• a cavity comprising therein electromagnetic circuit means defining an air gap between a pair of pole pins and having a tuning coil for generating a homogeneous magnetic field in said air gap, a YIG unit comprising a carrier and at least one ferrite crystal arranged in said air gap and comprising a magnetic resonance frequency which is controllable depending on the strength of the homogeneous magnetic field;
• and
• interface means connected to said at least one ferrite crystal for providing said microwave frequency output signal;
• a magnetic core included in said electromagnetic circuit means and comprising said pole pins combined with magnetic flux closing path elements shaped as bars, said pole pins and said bar-shaped elements forming an open structure;
• a support housing made of a nonmagnetic material having formed therein said cavity and comprising inside said cavity integral precision-tooled surfaces for the carrying and relative positioning of said electromagnetic circuit means and said YIG unit, said surfaces comprising
• a first positioning seat for said magnetic core and
• a second positioning seat for said carrier, said core and said carrier being thus supported separately by said support housing.