SELECTIVE AMPLIFIER WITH PARAPHASE OUTPUT Russian patent published in 2013 - IPC H03F3/00 

FIELD: radio engineering, communications.

SUBSTANCE: selective amplifier with a paraphase output comprises a source of an input signal, the first input transistor, the second current-stabilising dipole, the first bus of a supply source, the second current-stabilising dipole, the second bus of a supply source, the first output transistor, the second input transistor, the third current-stabilising dipole, the second output transistor, a source of auxiliary supply voltage, the fourth current-stabilising dipole, the fifth current-stabilising dipole, the first and second input capacitors, the first additional resistor, the sixth current-stabilising dipole, the first additional capacitor, the second additional capacitor.

EFFECT: higher quality of amplifier amplitude-frequency characteristic and its amplification ratio by voltage at quasiresonance frequency f₀.

3 cl, 6 dwg