Amplifier having reduced power dissipation and improved slew rat

Details Amplifier having reduced power dissipation and improved slew rat Amplifier having reduced power dissipation and improved slew rat

1982-05-20

1984-05-01

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330255, 330265, 358188, H03F 345, H03F 326, H04N 544

Patent

active

044464436

ABSTRACT:
An integratable amplifier is disclosed for developing a high level output signal with reduced power dissipation. The amplifier includes a first circuit (108, 110) which responds to an input signal for developing first and second signal currents whose amplitudes increase and decrease, respectively, in response to an input signal transition of a given direction. A second circuit (32a) receives the first signal current for establishing a third signal current which mirrors the first signal current. The second and third signal currents are received by a third circuit (70a) for conversion thereof to an amplified output signal. To stabilize the gain of the amplifier, a negative feedback path (50a) is coupled between the input signal and the output signal.

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