High-frequency choke circuit

Details High-frequency choke circuit High-frequency choke circuit

1994-12-21

1995-09-19

Gensler, Paul

Wave transmission lines and networks

Long line elements and components

Strip type

333204, H01P 120

Patent

active

054519179

ABSTRACT:
A high-frequency choke circuit comprises a dielectric layer covered with grounding conductors, a lead line of high-impedance and at least one capacitance land formed within the dielectric layer, and at least one through-hole connecting the lead line and the capacitance land. The capacitance lands are disposed closer to the grounding conductors, resulting in large capacitances with small areas. The capacitance lands are formed on a layer distant from the layer on which the lead line is formed. Therefore, unnecessary electromagnetic coupling with other circuits formed on the same layer as the lead line can be reduced. The grounding conductors cover both surfaces of the dielectric layers that incorporate the capacitance lands and the lead line to thereby shield the circuit formed in the dielectric layers electromagnetically from outside.

REFERENCES:
patent: 3210697 (1965-10-01), Comstock
patent: 3259860 (1966-07-01), Ayer
patent: 5175522 (1992-12-01), Clark et al.

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