Differential amplifier circuit

Details Differential amplifier circuit Differential amplifier circuit

1983-09-28

1985-07-16

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

H03F 345

Patent

active

045299463

ABSTRACT:
A differential amplifier circuit producing sufficient output current with a broad linear working range, which includes first and second transistors coupled at their emitters in differential amplifier configuration, an input circuit means connected between the bases of the first and second transistors, third and fourth transistors connected to the collectors of the first and second transistors constituting collector loads of the first and second transistors respectively, first resistor inserted between the bases of the third and fourth transistors, second and third resistors respectively inserted between the base and collector of each of the third and fourth transistors, and an output circuit means connected to the third and fourth transistors.

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