Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Patent
1996-12-27
1998-11-10
Pascal, Robert J.
Wave transmission lines and networks
Coupling networks
Frequency domain filters utilizing only lumped parameters
336200, H03H 500
Patent
active
058349928
ABSTRACT:
An LC resonant device effectively limits radiated noise and provides a high Q-value. In one embodiment, the LC resonant device comprises a laminated LC filter formed of: two insulating sheets having a first ground electrode and a second ground electrode formed on their respective surfaces; an insulating sheet having a third ground electrode on its surface and having a through hole formed in its central portion and connected to the third ground electrode; at least one insulating sheet having a through hole formed in its central portion; two insulating sheets having first and second capacitor electrodes on their surfaces respectively; and a cover insulating sheet. The through holes form an inductive conductor perpendicular to the capacitor electrodes. At least, one of the three ground electrodes is connected directly to the inductive conductor and the other ground electrodes are not directly connected to the inductive conductor.
REFERENCES:
patent: 4758808 (1988-07-01), Sasaki et al.
patent: 5140497 (1992-08-01), Kato et al.
patent: 5404118 (1995-04-01), Okamura et al.
patent: 5493259 (1996-02-01), Blalock et al.
patent: 5652561 (1997-07-01), Inoh et al.
Kato Noboru
Nosaka Koji
Tojyo Atsushi
Bettendorf Justin P.
Murata Manufacturing Co. Ltd.
Pascal Robert J.
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