Circuitry and method for accelerated switching of an amplifier

Details Circuitry and method for accelerated switching of an amplifier Circuitry and method for accelerated switching of an amplifier

2006-08-01

2006-08-01

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

C330S296000

Reexamination Certificate

active

07084706

ABSTRACT:
A circuitry comprises an amplifier with a bipolar transistor, whose base terminal is coupled to an input terminal for a signal to be amplified. A biasing means for setting a potential at the base terminal of the bipolar transistor is provided. Further, a means for providing such a current to the base terminal of the bipolar transistor is provided, so that a charging or discharging current to the input terminal is larger than a base current of the bipolar transistor. Further, the circuitry comprises a means for detecting whether a potential change at the base terminal of the bipolar transistor is to be effected for switching the bipolar transistor, and a means for connecting the means for providing the current to the base of the bipolar transistor when a potential change is to be effected at the base terminal of the bipolar transistor.

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patent: WO 02/19519 (2002-03-01), None

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