Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Patent
1979-06-11
1981-04-14
Lieberman, Eli
Wave transmission lines and networks
Coupling networks
Frequency domain filters utilizing only lumped parameters
361302, H03H 701, H03H 300
Patent
active
042622689
ABSTRACT:
An assembly of several discrete pi-section LC filter units includes two capacitor assemblies each comprising a ceramic plate having several openings formed therein, isolated electrodes formed on one of the opposite faces of the ceramic plate so as to encircle all but one of the openings, respectively, formed therein, and a common electrode formed on the other face of the ceramic plate. Metal rods extend through the respective openings in the ceramic plates of the capacitor assemblies and through respective ferrite tubes interposed therebetween. All but one of the metal rods are soldered to the respective isolated electrodes of each capacitor assembly, and the remaining one metal rod, passing through said one of the openings in each ceramic plate, is soldered to the common electrodes for grounding same. All the soldered joints are formed by melting rings of solder fitted over the metal rods.
REFERENCES:
patent: 3538464 (1970-11-01), Walsh
patent: 3702422 (1972-11-01), Schor
Onishi Takashi
Shimada Moriyoshi
Lieberman Eli
Taiyo Yuden Co. Ltd.
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