Transistorized amplification stage with improved polarization de

Details Transistorized amplification stage with improved polarization de Transistorized amplification stage with improved polarization de

1985-02-26

1986-07-08

LaRoche, Eugene R.

Amplifiers

With semiconductor amplifying device

Including d.c. feedback bias control for stabilization

330296, H03F 130

Patent

active

045995770

ABSTRACT:
In a transistorized amplification polarization device the polarization current of the collector of each amplification transistor of the stage is maintained at a constant value by means of a comparing circuit adapted to compare a collector polarization current image signal to a reference signal. The error signal result from such comparision is used as a control signal for controling a current chopping regulator supplying the polarization power for the base of the amplification transistor.

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