Electronic differential controller

Details Electronic differential controller Electronic differential controller

1980-10-17

1983-04-19

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330257, 330260, H03F 345, H03G 330

Patent

active

043807399

ABSTRACT:
The invention relates to a differential controller comprising two transistors connected as a long-tailed pair with the base circuits of the transistors including resistors whose values are equal to the bulk resistances of the two transistors. The collector circuits of the two transistors include means for injecting currents into said resistors, which currents are proportional to the collector currents of the two transistors.

REFERENCES:
patent: 4296383 (1981-10-01), Jeanout et al.

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