Power amplifier stage of the voltage follower type

Details Power amplifier stage of the voltage follower type Power amplifier stage of the voltage follower type

1995-07-20

1997-02-25

Mullins, James B.

Amplifiers

Combined with automatic amplifier disabling switch means

327108, 330255, 330269, H03F 3185, H03F 330

Patent

active

056062818

ABSTRACT:
The amplifier stage comprises at the output two MOS power transistors in series between a positive supply line and earth, the gate of each of these being controlled by a respective amplifier. An input signal is applied to the input of these amplifiers so as to be compared with an output signal of the amplifier stage. The amplifiers are each provided with an inhibiting input with which it is possible to connect to earth the gate of the corresponding power transistor, and the amplifier stage comprises two transistors which act as switches achieving that either the one or the other of the inhibiting inputs is connected to earth, so that a simultaneous conduction of the power transistors is excluded.

REFERENCES:
patent: 4480230 (1984-10-01), Brehmer et al.
patent: 4988954 (1991-01-01), Stern et al.
patent: 5121011 (1992-01-01), Ohya et al.
patent: 5349243 (1994-09-01), McClure
patent: 5481213 (1996-01-01), Johnson

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