Circuit for deriving of signals and counter cycle signals from one sided input signal

Claim 2

A circuit for deriving balanced output signals from a one-sided input signal, comprising a pair of transistors having interconnected bases and each including a collector and an emitter electrode defining a collector-emitter path; a current reflecting circuit; coupling means including at least one resistor for connecting two equal electrodes in said collector-emitter paths of said pair of transistors to said current reflecting circuit; an adjustable direct current voltage source connected to the interconnected bases of said pair of transistors; an input connection provided in said coupling means to receive said one-sided input signal; and output connections provided respectively at the other electrodes of said collector-emitter paths of said pair of transistors to tap off an output signal and an output counter-cycle signal.

Claim 3

A circuit as defined in claim 1, said pair of transistors including a first transistor and a second transistor and said current reflecting circuit including a third transistor and a fourth transistor, said coupling means including a series connection of two resistors connected between one of said equal electrodes and the collector of said third transistor, said input connection being provided at the connection point of said two resistors, the bases of said third and fourth transistors being connected to the collector of said third transistor and the emitters of the third and fourth transistors being connected to a common connection point whereby all transistors are of the same type of conductivity.

Claim 4

Circuit in accordance with claim 2, wherein said current reflecting circuit includes a third transistor and a fourth transistor, the emitter of the first transistor is connected through a resistor with the collector of the third transistor whose emitter is connected with the emitter of the fourth transistor and the collector of the fourth transistor being connected to the bases of the third and fourth transistors, the collector of the fourth transistor being connected through a resistor with the emitter of a fifth transistor whose base is connected with the collector of the third transistor and whose collector is connected with the emitter of the second transistor, the collector of the third transistor being connected to the input connection for the one sided input signal and all said transistors being of the same type of conductivity.

Claim 5

Circuit in accordance with claim 2, wherein said current reflecting circuit includes a third transistor and a fourth transistor, the emitter of the first transistor is connected with the collector of the third transistor, the emitter of the third transistor is connected with the emitter of the fourth transistor, the collector of the fourth transistor is connected through a resistor with the collector of a fifth transistor whose collector is connected to the bases of the fourth and fifth transistor, the emitter of the fifth transistor is connected with the emitter of a sixth transistor whose base is connected through a series circuit consisting of two even resistors with the base of the third transistor, the collector of the third transistor is connected with the centre tap of the series circuit of resistors, the collector of the sixth transistor is connected with the emitter of the second transistor, the base of the sixth and the collector of the fourth transistor being connected to the input connection for the one side-input signal, and said first, second, third and sixth transistors being of one type of conductivity and the fourth and fifth transistors being of a different type of conductivity.

Claim 6

Circuit in accordance with claim 2, wherein said current reflecting circuit includes a third transistor and a fourth transistor, the emitter of the first transistor is connected through a resistor with the collector of the third transistor whose emitter is connected with the emitter of the fourth transistor and the collector of the fourth transistor is connected to the bases of the third and fourth transistors, the collector of the fourth transistor is connected through a resistor with the emitter of a fifth transistor whose base is connected with the collector of the third transistor and whose collector is connected with the emitter of the second transistor, the collector of the fourth transistor being connected to the input connection for the one-sided input signal and all said transistors being of the same type of conductivity.

Claim 7

A circuit as defined in claim 3, further comprising a sixth transistor whose base is connected to the collector of the fourth transistor and whose emitter is connected to the interconnected bases of the third and fourth transistors, the collector of the sixth transistor being connected with the collector of the fifth transistor.