Active element filter network

Details Active element filter network Active element filter network

1991-04-22

1992-03-24

Callahan, Timothy P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328167, 307304, H03B 100, H03F 316

Patent

active

050991558

ABSTRACT:
A simple cascode configuration of a first, common source transistor coupled to a second, "common" gate transistor is modified by the use of a third transistor conditionally coupling the "common" gate to the source of the second transistor. This coupling is made conditional by a filter network connecting the "common" gate to the source of the second transistor and to the drain of the regulating or third transistor. High pass, low pass and band pass RC network configurations are shown.

REFERENCES:
patent: 3586887 (1971-06-01), Ziel et al.
patent: 5038060 (1991-08-01), Franchetesa et al.
Adams et al., "Active Filters for UHF and Microwave Frequencies", 9/69, IEEE Transactions on Microwave Theory and Techniques, vol. MTT-17, No. 9, pp. 662-670.
Hara et al., "Broad Band Monolithic Microwave Active Inductor and Application to a Miniaturized Wide Band Amplifier", IEEE 1988 Microwave and Millimeter-Wave Monolithic Circuits Symposium, pp. 117-120.
Sackinger et al., "A High-Swing, High-Impedance MOS Cascode Circuit", IEEE Journal of Solid-State Circuits, vol. 25, No. 1, Feb. 1990, pp. 289-297.

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