Patent UA-52704-U (UA)
Title: Push-pull balanced current amplifier
Inventor: AZAROV OLEKSII DMYTROVYCH
IPC: H03F3/26
Filed: 2010-02-01
Abstract: A push-pull balanced current amplifier comprises a current source, a feedback resistor, a balancing capacitor, positive and negative power distribution buses, a zero bus, twenty eight transistors, an input bus is connected to emitters of ninth and tenth transistors correspondingly, as well as to first terminals of the feedback resistor and the balancing capacitor, collectors of ninth and tenth transistors are connected to collectors of thirty first and thirty second transistor correspondingly, and to buses of seventeenth and eighteenth transistors correspondingly, and to buses of thirty third and thirty fourth transistors correspondingly, buses of ninth and tenth transistor are connected to buses and collectors of fifth and sixth transistors correspondingly, as well as to collectors of twenty ninth and thirties transistors correspondingly, emitters of fifth and sixth transistors are connected to the zero bus, emitters of twenty ninth and thirties transistors are connected to buses of and collectors of third and fourth transistors, and also to buses of first and second transistors correspondingly, buses of twenty ninth and thirties transistors are connected to collectors of first and second transistors correspondingly, and to first and second terminals of the current source correspondingly, emitters of thirty first and thirty second transistors are connected to buses of and collectors of seventh and eighth transistors correspondingly, as well as to buses of eleventh and twelfth transistors correspondingly, buses of thirty first and thirty second transistors are connected to collectors of eleventh and twelfth transistors correspondingly, as well as to collectors of thirteenth and fourteenth transistors correspondingly, emitters of thirteenth and fourteenth transistors are united, buses of thirteenth and fourteenth transistors are connected to buses and collectors of nineteenth and twentieth transistors correspondingly, as well as to collectors of seventeenth and eighteenth transistors correspondingly, emitters of nineteenth and twentieth transistors are united and connected to collectors of thirty third and thirty fourth transistors correspondingly and also to the zero bus, emitters of seventeen and eighteenth transistors are connected to collectors of fifteenth and sixteenth transistors correspondingly, as well as to buses twenty third and twenty fourth transistor correspondingly, buses of fifteenth and sixteenth transistors are connected to buses and collectors of twenty first and twenty second transistors correspondingly, as well as to emitters of twenty third and twenty fourth transistors correspondingly, collectors of twenty third and twenty fourth transistor are connected to buses and collectors of twenty fifth and twenty sixth transistors of correspondingly, as well as to buses of seventh and twenty eighth transistors correspondingly. Emitters of twenty fifth and twenty sixth transistors are united, emitters of first, third, seventh, eleventh, fifteenth, twenty first transistors, as well as collectors of twenty seventh and thirty third transistors are connected to the positive power distribution bus, emitters of second, fourth, eight, twelfth, sixteenth, twenty second transistors, as well as collectors of twenty eighth and thirty fourth transistors are connected to the negative power distribution bus, emitters of twenty seventh and twenty eighth transistors are connected to second terminals of the feedback resistor and the balancing capacitor, as well as to the output bus.