Integrated circuit comprising a plurality of voltage-current con

Details Integrated circuit comprising a plurality of voltage-current con Integrated circuit comprising a plurality of voltage-current con

1981-02-13

1983-06-14

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307297, 307497, 323316, 330257, 330261, H03K 1714, H02J 104, H03F 345

Patent

active

043885390

ABSTRACT:
An integrated circuit comprising a plurality of adjustable voltage-current converters, of which one converter is employed as a reference converter. The reference converter is included in a control loop. To the input of the reference converter an input voltage is applied in that a first current is passed through a reference resistor connected to said input. A second current, which is in a fixed ratio to said first current, is compared with the output current of the reference converter and this reference converter is then biassed so that its output current corresponds to said second current. In this way the transconductance of the reference converter is determined by the reference resistor and the ratio of the first and the second current, so that this transconductance is highly independent of process, temperature and supply-voltage variations. The other converters are biassed by signals derived from the bias signals for the reference converter and thus have corresponding transconductances.

REFERENCES:
patent: 3743850 (1973-07-01), Davis
patent: 4004247 (1977-01-01), Van de Plassche
patent: 4010425 (1977-03-01), Dingwall et al.
patent: 4152663 (1979-05-01), Van de Sande

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