Rapid slewing unity gain buffer amplifier with boosted parasitic

Details Rapid slewing unity gain buffer amplifier with boosted parasitic Rapid slewing unity gain buffer amplifier with boosted parasitic

1993-11-02

1994-06-21

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330267, H03F 326

Patent

active

053231228

ABSTRACT:
Charging of parasitic capacitances present in a unity gain buffer amplifier is speeded up, with a consequent increase in input slew rate capability, by connecting a resistance circuit across the current sources and output transistors. Imbalances in the response rate of the input transistors to changes in the input voltage produce a current shift through the resistor that charges parasitic capacitances to speed up the output transistor response.

REFERENCES:
patent: 5049653 (1991-09-01), Smith et al.
patent: 5177451 (1993-01-01), Lehmann
PMI Data Book, Precision Analog Integrated Circuits, 1988, pp. 5-324 and 5-325.

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