Active filter with inverse option

Details Active filter with inverse option Active filter with inverse option

1975-12-18

1977-01-04

Mullins, James B.

Amplifiers

Signal feedback

Amplifier in signal feedback path

330107, H03F 136

Patent

active

040017125

ABSTRACT:
An electronic filter circuit comprised of summing circuits and integrating circuits is interconnected such that the filter may use the same components to serve either as a band-reject or a band-pass filter having the same natural frequency. Changing of the filter operation between the two modes is accomplished simply by the interchange of two component values.

REFERENCES:
perea et al., "Filtro Activo de Suppresion de Banda Sintonizable de Q Variable," Revista Telegrafica Electronica, pp. 130, 133 Mar. 1973.

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