Comparator circuit for an integrator

Details Comparator circuit for an integrator Comparator circuit for an integrator

1991-05-30

1993-08-17

Ng, Jin F.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307264, 328128, G06G 712, G06G 718, H03L 500

Patent

active

052372227

ABSTRACT:
A comparator circuit for an integrator comprises first and second transistors triggered by the integrator. The integrator has a current-controlled input. The transistors generate respective comparator output control signals which change when the transistors switch between saturated and unsaturated states. The first and second transistors are complementary transistors. A first current source, comprising a third transistor, is coupled to a source of supply voltage. One of the first and second transistors forms a corresponding mirrored current source with respect to the first current source. The integrator comprises an integration capacitor coupled to the mirrored current source. An output stage is responsive to the output control signals from the first and second transistors.

REFERENCES:
patent: 4598259 (1986-07-01), Gontowski, Jr.
patent: 4682059 (1987-07-01), Garcia
patent: 4691120 (1987-09-01), Kondo
patent: 4801816 (1989-01-01), Merlo et al.
patent: 4855626 (1989-08-01), Bohme

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