Amplifier networks with controlled common-mode level and...

Details Amplifier networks with controlled common-mode level and... Amplifier networks with controlled common-mode level and...

2008-07-25

2010-06-29

Jeanglaude, Jean B (Department: 2819)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S258000, C330S253000, C330S290000

Reexamination Certificate

active

07746171

ABSTRACT:
Effective control of the common-mode level of amplifiers is obtained through control structures (both closed-loop and open-loop structures) which are directed to various amplifier functions such as the reduction of amplifier loading, accurate sensing of common-mode levels, mitigation of headroom restraints, and proper transistor biasing. This common-mode control is especially useful in multiplying analog-to-digital converters (MDACs) of signal processing systems.

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