WIDEBAND AMPLIFIER WITH PARAPHASE OUTPUT Russian patent published in 2011 - IPC H03F3/34 H03F1/32 

FIELD: electricity.

SUBSTANCE: wideband amplifier with a paraphase output comprises the first (1) input transistor, the base of which is connected to a source of signal (2) and via the first (3) resistor is connected to a collector of the first (4) transistor of a circuit of static mode stabilisation, the second (5) input transistor, the base of which via the second (6) resistor is connected to the collector of the first (4) transistor in the circuit of static mode stabilisation, a circuit of a symmetrical collector load (7) of the first (1) and second (5) input transistors, connected between the collectors of the first (1) and second (5) input transistors and the first (8) bus of the power supply source, the first (9) current-stabilising dipole, connected between the collector of the first (4) transistor of the static mode stabilisation circuit and the first (8) bus of the power supply source, an auxiliary resistor (10), the second (11) transistor of the circuit of static mode stabilisation, the collector and the emitter of which are connected to each other, the second (12) bus of the power supply source. Emitters of the first (1) and second (5) input transistors are combined, and via an additional resistor (13) are connected to the second (12) bus of the power supply source, and are also connected to an emitter of the second (11) transistor of the static mode stabilisation circuit, an emitter of the first (4) transistor of the static mode stabilisation circuit is connected to the second (12) bus of the power supply source via an auxiliary resistor (10), the base of this transistor is connected to the base of the second (11) transistor of the static mode stabilisation circuit and via an additional current-stabilising dipole (14) is connected to the first (8) bus of the power supply source.

EFFECT: production of two antiphased output voltages with a single-phase source of input signal and low voltage of supply.

2 cl, 5 dwg