Differential amplifier and active load for the same

Details Differential amplifier and active load for the same Differential amplifier and active load for the same

2007-12-25

2007-12-25

Nguyen, Patricia (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S258000, C330S253000

Reexamination Certificate

active

11396546

ABSTRACT:
The differential amplifier and an active load are provided. The differential amplifier includes a differential input section which is configured to generate a differential current according to a differential input signal; and an active load which is configured to generate a differential output signal according to the differential current. The active load includes first and second active load sections comprising a first negative feedback loop and a second negative feedback loop, respectively; and a common mode feedback section comprising a feedback current source which supplies a feedback current to the first active load section and the second active load section to form a common mode feedback path.

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