SECTIONALIZED CURRENT AMPLIFIER Russian patent published in 2008 - IPC H03F1/34 H03F3/26 

FIELD: radio engineering, applicable in high-gain audio-frequency amplifiers.

SUBSTANCE: use is made of three push-pull emitter followers with a circuit of successive control of each other and local interpenetrating negative feedback of a different band and power. The amplifier consists of structure-uniform mutually-supplementing push-pull sections which form the local successive negative feedback and operate in harmony for a common load. It may be any quantity of sections depending on the requirements of the development engineer, but the optimal number is four. It is this modification that is given in the claim.

EFFECT: obtained the maximum high amplifier linearity coefficient at a low no-load current and maximum damping coefficient.

1 dwg