Non-saturating complementary type unity gain amplifier

Details Non-saturating complementary type unity gain amplifier Non-saturating complementary type unity gain amplifier

1991-11-14

1993-07-06

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330260, H03F 345

Patent

active

052257916

ABSTRACT:
An amplifier circuit which can operate at a high speed for both ascending and descending signals. An input signal are individually amplified by a first differential amplifier of an NPN transistor and a second differential amplifier of a PNP transistor. The anti-phase collector outputs from the differential amplifiers are inverted-amplified by the common emitter type amplifiers of the transistors having a polarity opposite to those of the differential amplifiers, as the in-phase component and anti-phase component are dealt with individually. Thus, the amplifier circuit can operate at a high speed for both ascending and descending signals.

REFERENCES:
patent: 4146845 (1979-03-01), Lunquist

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