Circuit and method of signal differentiation

Details Circuit and method of signal differentiation Circuit and method of signal differentiation

1991-06-24

1992-09-29

Howell, Janice A.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307490, 307494, 328149, H02J 700, G06G 712

Patent

active

051516624

ABSTRACT:
A differentiator circuit is provided with a subtracter circuit connected to the input and output of the final stage of a main signal processing filter, the latter of which processes an input signal for providing a filtered output signal. The difference between the input and output signals of the final stage of the main signal processing filter provides a differentiated output signal having the same natural frequency and damping factor as the filtered output signal.

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patent: 4918338 (1990-04-01), Wong
patent: 4954732 (1990-09-01), Surauer et al.
patent: 4999522 (1991-03-01), Deville
patent: 5006810 (1991-04-01), Popescu

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