Signal translating circuit

Details Signal translating circuit Signal translating circuit

1983-12-22

1985-12-17

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including signal feedback means

330288, 330296, 330310, 360 68, H03F 134, H03F 304

Patent

active

045595011

ABSTRACT:
A signal translating circuit comprises first and second transistors connected to each other in such a manner that a collector of the first transistor is coupled with a base of the second transistor and an emitter of the second transistor is coupled with a base of the first transistor so as to form a negative feedback circuit arrangement, an input resistor connected between the base of the first transistor and a source of an input voltage signal for converting the input voltage signal into an input current signal to be supplied to the base of the first transistor, a biasing current source connected to the base of the first transistor, first and second current sources supplying the same currents and connected to the emitter of the first transistor and a collector of the second transistor, respectively, and means for deriving an output current signal from the collector of the second transistor.

REFERENCES:
patent: 4268798 (1981-05-01), Reichart

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