Wave transmission lines and networks – Attenuators
Patent
1975-04-15
1976-10-19
Gensler, Paul L.
Wave transmission lines and networks
Attenuators
307230, H03H 500
Patent
active
039873811
ABSTRACT:
An electronic resistance arrangement having symmetrical structure and properties comprises four series-connected negative-resistance elements having negative feedback operational amplifiers. A measuring current can be fed to the center of the arrangement whereby both halves of the arrangement can be independently controlled for compensating a resistance.
REFERENCES:
patent: 3501716 (1970-03-01), Ferch et al.
patent: 3582803 (1971-06-01), Greenaway et al.
Gensler Paul L.
International Standard Electric Corporation
Marshall Thomas M.
O'Halloran John T.
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