Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 15, 2011
Patent Application Number
12385881
Date Filed
April 22, 2009
Patent Primary Examiner
Patent abstract
A differential amplifier circuit includes an offset adjuster circuit for varying the active load to adjust the offset caused by the differential pair. The differential amplifier circuit includes fine adjustment cell sections including a plurality of transistors having the substantially same size, and shift cell sections including transistors, whose transistor size is larger than the transistors of the fine adjustment cell sections.
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