Integrating filter circuit

Details Integrating filter circuit Integrating filter circuit

1992-06-24

1994-03-08

Ng, Jin F.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328127, 307521, H03K 522, H03K 500

Patent

active

052935140

ABSTRACT:
An integrating filter circuit having a reference potential source for supplying the integrating filter circuit with a prescribed reference potential, a transconductance circuit provided with a differential circuit, a variable current source couple to the differential circuit and output means coupled to the differential circuit for outputting an intermediate voltage of the outputs of the differential circuit, a common feedback loop with a comparison circuit coupled between the output means and the variable current source so as to stabilize the intermediate voltage in reference to a reference voltage supplied to the comparison circuit and capacitors coupled between the variable current source and the reference potential source.

REFERENCES:
patent: 4888502 (1989-12-01), Jarrett
patent: 4996498 (1991-02-01), Hanna
patent: 5039890 (1991-08-01), Jasberg et al.
Electronics Letters, vol. 26, No. 13, Jun. 1990, Enage GB, pp. 880-881, by B. Stefanelli et al., "CMOS Triode Transconductor with High Dynamic Range".

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