Silicon-on-insulator differential amplifier circuit

Details Silicon-on-insulator differential amplifier circuit Silicon-on-insulator differential amplifier circuit

2008-01-29

2008-01-29

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S257000, C330S261000

Reexamination Certificate

active

11326491

ABSTRACT:
A differential amplifier formed on a silicon-on-insulator substrate, including means to prevent the bodies of its differential input transistors from charging to unwanted potentials in the standby state. In one aspect of the invention, the means takes the form of switching transistors inserted between the differential input transistors and their loads. In another aspect of the invention, the means takes the form of switching transistors inserted between the sources and bodies of the differential input transistors. In another aspect of the invention the means is a regulator section that holds the bodies of the differential input transistors at an appropriate potential level.

REFERENCES:
patent: 6018267 (2000-01-01), Tran et al.
patent: 6326847 (2001-12-01), Xu
patent: 8-213564 (1996-08-01), None
patent: 9-45883 (1997-02-01), None
patent: 2001-23376 (2001-01-01), None

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