First and second order CMOS elementary cells for time-continuous

Details First and second order CMOS elementary cells for time-continuous First and second order CMOS elementary cells for time-continuous

1998-04-27

2000-02-29

Le, Dinh

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Unwanted signal suppression

327344, 327362, 327437, 327427, 327311, 333172, H03K 500

Patent

active

060314168

ABSTRACT:
A CMOS elementary cell of the first order for time-continuous analog filters with non-linearity compensation, is connected between a first supply voltage reference and a second voltage reference. The cell is of a type which comprises at least a first MOS transistor having its conduction terminals connected to the first supply voltage reference and to an output terminal, and having a control terminal connected to an input terminal of the first order CMOS elementary cell. The cell further comprises a second MOS transistor in diode configuration, and an equivalent capacitor, both connected to the output terminal of the first order CMOS elementary cell. The second, diode-connected MOS transistor and the equivalent capacitor act as a load for the first MOS transistor. The first MOS transistor operates as a drive transistor operatively tied to an input voltage signal being supplied to the input terminal of the first order CMOS elementary cell. A second order filter CMOS elementary cell is similarly connected.

REFERENCES:
patent: 5883545 (1999-03-01), Boyd

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