Power amplifier circuitry

Details Power amplifier circuitry Power amplifier circuitry

1980-08-04

1982-08-03

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330274, H03F 330

Patent

active

043429661

ABSTRACT:
In a single-ended push-pull power amplifier circuit having a first transistor of a first driver stage, a second transistor of a first output stage where the first and second transistors are Darlington connected, a third transistor of a second driver stage and a fourth transistor of a second output stage, where the third and fourth transistors are also Darlington connected, first and second resistors are connected between the respective emitters of the first and second transistors and a common output terminal, third and fourth resistors are connected between the respective emitters of the third and fourth transistors and the common output terminal, and a bias circuit for providing a bias voltage of a fixed value between the bases of the first and third transistors, the improvement comprising at least two series circuits of resistors and constant voltage sources for passing the base currents of the second and fourth transistors between (a) the emitter of the first transistor and the emitter of the fourth transistor and (b) the emitter of the third transistor and the emitter of the second transistor respectively.

REFERENCES:
patent: 4254379 (1981-03-01), Kawanabe

Affiliated with

Also associated with

Rating

Power amplifier circuitry does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Power amplifier circuitry, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power amplifier circuitry will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1469940