Voltage adder circuit

Details Voltage adder circuit Voltage adder circuit

1983-12-05

1986-07-08

Mullins, James B.

Amplifiers

Sum and difference amplifiers

307498, 330255, 330257, 330260, 330300, H03F 345

Patent

active

045995729

ABSTRACT:
A voltage adder circuit for adding both balanced and unbalanced input signals. The balanced input signal is applied to respective transistors of a differential transistor pair, while the unbalanced input is applied to the emitter of an input transistor having a base-collector connected across the load of one side of the differential transistor pair. The output is taken from the load on the other side of the differential transistor pair, at the emitter of an output transistor having a base-collector coupled across the second load. The voltage adder at a circuit of the present invention may further be used in a low-distortion transistor circuit.

REFERENCES:
patent: 3178651 (1965-04-01), Kegelman

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