Non-reciprocal circuit element

Details Non-reciprocal circuit element Non-reciprocal circuit element

1996-12-13

1998-10-13

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333 242, H01P 1383

Patent

active

058218300

ABSTRACT:
A non-reciprocal circuit element which meets the demand for a reduced size and a lower price. A circulator, which is a type of non-reciprocal circuit element, is constituted by a first central electrode and a second central electrode which are disposed on a main surface of a ferrite member so that they intersect with each other while being electrically insulated from each other; a first input/output port and a second input/output port which are connected to corresponding first ends of the aforesaid two central electrodes and a third input/output port which is connected in common to second ends of the two central electrodes; two matching capacitors connected between the first and second I/O ports, respectively, and the third I/O port; and a magnetic circuit for applying a DC magnetic field to the aforesaid ferrite member.

REFERENCES:
patent: 2944229 (1960-07-01), DeVries
patent: 3621477 (1971-11-01), Bosma
patent: 4016510 (1977-04-01), Hodges, III et al.
European Patent Search dated Mar. 24, 1997.

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