CMOS current convevor and its filter applications

Details CMOS current convevor and its filter applications CMOS current convevor and its filter applications

1991-03-04

1992-06-23

LaRoche, Eugene R.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

530257, 530288, H03F 345

Patent

active

051246660

ABSTRACT:
A CMOS second generation current conveyor (CCII) and its integrators suitable for MOS technology integrated circuit (IC) applications. Ladder filters based on CCII are realized. CMOS CCII-based circuits can be directly employed in single CCII biquad filters. Four configurations are proposed to synthesize various types of second-order transfer functions.

REFERENCES:
patent: 3582689 (1971-06-01), Smith
patent: 3619798 (1971-11-01), Smith
patent: 4030043 (1977-06-01), Hamilton
patent: 4338527 (1982-07-01), Nagano
patent: 4983930 (1991-01-01), Wadsworth
patent: 5012133 (1991-04-01), Hughes
patent: 5028822 (1991-07-01), Hughes
patent: 5055719 (1991-10-01), Hughes
The Current Conveyor: History, Process and New Results, Sedra et al., IEEE Proceeding, vol. 137, No. 2, Apr. 1990.
Novel MOS Resistive Circuit for Synthesis of Fully Integrated Continuous-Time Filters, Czarnul, IEEE, vol. CAS-33, No. 7, Jul. 1986.

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