Differential amplifier

Details Differential amplifier Differential amplifier

2006-01-03

2006-01-03

Mottola, Steven J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S261000

Reexamination Certificate

active

06982598

ABSTRACT:
Two amplifier transistors are arranged in parallel and a current source is connected to a common emitter line of the amplifier transistors and produces a temperature-independent quiescent current. In order for both the small-signal gain and the large-signal response to be independent of temperature, the emitters of the two amplifier transistors are connected to one another by a compensation resistor which has a negative temperature coefficient.

REFERENCES:
patent: 4042886 (1977-08-01), Hanna
Tietze et al., “Halbleiter-Schaltungstechnik”, Springer Verlag, 1986, 8thEd., pp. 66-72.
Tietze, et al., Halbleiter-Schaltungs-Technik, 1999, p. 370.
Beuth, K., Bauelemente, 1991, p. 36.

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