Balanced integrator-filter arrangement

Details Balanced integrator-filter arrangement Balanced integrator-filter arrangement

1989-06-02

1990-05-15

Mottola, Steven

Amplifiers

Signal feedback

Phase shift means in loop path

330294, 330306, H03F 134

Patent

active

049261355

ABSTRACT:
The invention relates to an active RC filter arrangement comprising a balanced amplifier (A.sub.1) which can be extended to obtain an n.sup.th -order filter arrangement. Once a general n.sup.th -order filter arrangement has been created it can be modified to obtain, inter alia, a low-pass, a high-pass or an all-pass n.sup.th -order active RC filter by merely changing the values of the resistors and capacitors.

REFERENCES:
patent: 4509019 (1985-04-01), Banu et al.
patent: 4780690 (1988-10-01), Voorman
patent: 4786880 (1988-11-01), Voorman

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