Push-pull power amplifier

Details Push-pull power amplifier Push-pull power amplifier

1975-10-14

1977-05-03

Mullins, James B.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307300, 330 13, 330 28, 330110, H03K 501

Patent

active

040216845

ABSTRACT:
Symmetrical push-pull power amplifier employing a pair of complementary output transistors having their collectors connected to an output terminal. The output transistors are each driven by an associated input transistor of the opposite conductivity type. Feedback diodes are coupled between the collector of each output transistor and the input of the input transistor associated with the other output transistor. A feedback diode is forward biased while the output transistor to which it is coupled is conducting, thus biasing to nonconduction the input transistor to which it is coupled. Therefore, when the polarity of the input signal to the input transistors changes, the output transistor that is off is not turned on until the output transistor that is on has dissipated the charge stored therein and is not conducting.

REFERENCES:
patent: 3421099 (1969-01-01), O'Malley
patent: 3448395 (1969-06-01), Webb
patent: 3526845 (1970-09-01), Sikorra

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