Dielectric filter comprising at least one coupling member couple

Details Dielectric filter comprising at least one coupling member couple Dielectric filter comprising at least one coupling member couple

1998-03-25

2000-09-19

Pascal, Robert

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333202, 3332191, H01P 120, H01P 1213, H01P 710

Patent

active

061218553

ABSTRACT:
A dielectric filter is formed by electrode non-formation parts (openings) disposed on opposite main surfaces of a dielectric plate so as to form a dielectric resonator, as well as two coupling members coupled to said dielectric resonator. A large amount of attenuation required for blocking a certain frequency is secured by generating an attenuation pole in the area of that frequency. The two coupling members may be constituted by probes or other structures. The two coupling members are non-parallel to each other, and one of the coupling members is coupled with at least two coupling modes of the resonator.

REFERENCES:
patent: 4319208 (1982-03-01), De Bayser et al.
patent: 5461352 (1995-10-01), Noguchi et al.

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