Compound load for differential circuits

Details Compound load for differential circuits Compound load for differential circuits

2006-10-31

2006-10-31

Mottola, Steven J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

Reexamination Certificate

active

07129780

ABSTRACT:
An improved load configuration is provided for differential circuits which increases circuit bandwidth without increasing power dissipation. A differential circuit generally includes a differential pair of transistors having emitters coupled together. The improved load configuration is comprised of a load resistor coupled to the collector of each transistor and an inductor coupled in series with each of the load resistors, such that the inductors are coupled to each other by mutual inductance.

REFERENCES:
patent: 6194972 (2001-02-01), Brown
patent: 6683498 (2004-01-01), Burns et al.
patent: 2005/0062533 (2005-03-01), Vice

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