Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Patent
1980-12-22
1983-01-18
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Frequency domain filters utilizing only lumped parameters
333177, 333181, 333185, H03H 701, H03H 709
Patent
active
043694160
ABSTRACT:
Band-stop filter for equipment with carrier-frequency utilization of low-voltage lines, including a current-compensated choke having a closed ferrite core, two center taps, and two coil halves each of which having windings being connected to one of the center taps and wound with the same sense on the closed ferrite core, and a capacitor connected between the center taps.
REFERENCES:
Olsen--"RF Trapping Precision Analog Filter," IBM Technical Disclosure Bulletin, vol. 20, No. 4, Sep. 1977, p. 1342.
Wichmann Ewald
Zapp Robert
Brown Boveri & Cie AG
Greenberg Laurence A.
Lerner Herbert L.
Nussbaum Marvin L.
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