Transistor amplifier for outputting a voltage which is higher th

Details Transistor amplifier for outputting a voltage which is higher th Transistor amplifier for outputting a voltage which is higher th

1989-08-03

1990-05-15

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330297, 330311, H03F 345

Patent

active

049261371

ABSTRACT:
A first and a second transistors coupled in series by connecting the collector of the first one to the emitter of the second one are connected at the collector of the second transistor through a resistor to a first power source of a voltage as high as about two times the breakdown voltage of these transistors, a third transistor is coupled at the collector to the base of the second transistor and a second power source of the lower voltage than the first power source through a load resistor, and the base of the third transistor is connected to the base of the first transistor; whereby an output voltage of the second transistor is divided into the respective collector-emitter voltages of the first and second transistors, and the output voltage exceeding the breakdown voltage of the transistor is obtainable.

REFERENCES:
Liu et al, "Amplifier Circuit with Large Output Signal Swing," IBM Technical Disclosure Bulletin, vol. 15, No. 5, Oct. 1972, pp. 1430, 1431.

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