Patent ID: 6819198
Filing Date: 2004-11-16
Classification: H01P

Abstract:
A nonreciprocal circuit device comprising:a first wire center electrode and a second wire center electrode intersecting each other, each having a first end thereof grounded, and no other center lectrodes; a ferrimagnetic body provided in the vicinity of said first center electrode and said second center electrode, said first and second center electrodes being wrapped around said ferrimagnetic body; a magnet applying a magnetostatic field to said ferrimagnetic body; a series capacitor connected in series between a second end of said first center electrode and an input terminal and a series capacitor connected in series between a second end of said second center electrode and an output terminal and no series inductor connected in series between the second end of said first center electrode and the input terminal nor in series between the second end of said second center electrode and the output terminal; and a parallel capacitor connected in parallel between the second end of said first center electrode and a ground and a parallel capacitor connected in parallel between the second end of said second center electrode and the ground.