FIELD: radio engineering and optoelectronics for amplifying photocurrent.
SUBSTANCE: proposed current amplifier has input current supply 1, as well as first and second current reflectors 2, 3; output of first current reflector 2 is connected to input of second current reflector 3; common lead of first current reflector 2 is connected to first bus 4 of power supply; output of second current reflector 3 is connected to input of first current reflector 2; input current supply 1 is inserted between inputs of current reflectors 2, 3, and common lead of second current reflector 3 is connected to second bus 5 of power supply through amplifier load.
EFFECT: enhanced threshold sensitivity.
5 cl, 5 dwg
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