A nonreciprocal circuit device can be reduced in size by omitting an impedance matching circuit. The nonreciprocal circuit device includes a ferrite member, a plurality of mutually intersecting central conductors disposed in proximity to the ferrite member, and a magnet for applying a DC magnetic field....http://www.google.fr/patents/US6583680?utm_source=gb-gplus-shareBrevet US6583680 - Nonreciprocal circuit device and communications device
Nonreciprocal circuit device and communications device
