Class-AB amplifier for dual voltage supplies

Details Class-AB amplifier for dual voltage supplies Class-AB amplifier for dual voltage supplies

2007-04-24

2007-04-24

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S253000, C330S257000

Reexamination Certificate

active

10812530

ABSTRACT:
An amplifier providing a drive signal indicative of a data input signal to a capacitive and/or resistive type load, the amplifier having a first transistor circuit adapted for converting the data input signal to a corresponding current signal in which the transistors of the first transistor circuit operate at a first voltage and having a second transistor circuit amplifying the current signal in which the transistors of the second transistor circuit operate at a second voltage. The first transistor circuit and the second transistor circuit are integrated for providing a class AB operable current output to the load.

REFERENCES:
patent: 5900780 (1999-05-01), Hirose et al.
patent: 6246152 (2001-06-01), Fontanella et al.
patent: 6317000 (2001-11-01), Ivanov et al.
patent: 6433637 (2002-08-01), Sauer
patent: 6617758 (2003-09-01), Murphy et al.

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