Electronic controllable negative resistance arrangement

Wave transmission lines and networks – Attenuators

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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.

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