DIFFERENTIAL AMPLIFIER WITH INCREASED WEAKENING OF INPUT COPHASED SIGNAL

摘要

FIELD: radio engineering and communications, possible use as amplification device for analog signals in structure of analog microchips of various functional purpose.;SUBSTANCE: amplifier (dwg.2) contains input parallel-balanced cascade 1 with first 2 source of supporting current in common emitter chain, output of which 3 is connected to input of current mirror 4, auxiliary transistor 5, collector of which is connected to output of current mirror 4, and to output 6 of differential amplifier, while emitter is connected to second 7 source of bearing current, first source of supporting current 2 in common emitter circuit of input parallel-balance cascade 1 is connected to base of auxiliary transistor 5.;EFFECT: increased coefficient of weakening of cophased input signal.;3 cl, 13 dwg