Line filter

Details Line filter Line filter

1985-12-31

1987-05-19

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333 25, 333168, H03H 709

Patent

active

046671730

ABSTRACT:
In a line filter having a first balun, first Y capacitors, a first X capacitor, a second balun, second Y capacitors and a second X capacitor connected between the input and output terminals of the line filter in the order named, the inductance of the first balun is larger than that of the second balun. The total capacitance of the first Y capacitors is larger than that of the second Y capacitors. The line filter can be divided into a front stage containing the first balun and a rear stage containing the second balun, the two stages being coupled via a wiring. The second balun can be constituted by a plurality of baluns.

REFERENCES:
patent: 3357023 (1967-12-01), Hemmie
patent: 3681612 (1972-08-01), Vogl et al.
patent: 3683271 (1972-08-01), Kobayashi
patent: 4259705 (1981-03-01), Stifter
Curran-"Power Line Filter", IBM Technical Disclosure Bulletin, vol. 7, No. 7, Dec. 1964; p. 569.
Sekhri-"Power Line Filter" IBM Technical Disclosure Bulletin, vol. 17, No. 7, Dec. 1974; pp. 1998-1999.
Filters Quiet Noisy Power Lines, Electronic Products, Nov. 18, 1974, pp. 1-5.
Teller Elektronik Informatik, pp. 1-11, 33-36.
Schaffner Elektronik AG, pp. 17-18 and 28.

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