Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 29, 2008
Patent Application Number
11309054
Date Filed
June 14, 2006
Patent Primary Examiner
Patent abstract
A current source with adjustable temperature coefficient is provided. The current source uses a first current generation unit and a second current generation unit to respectively produce a positive temperature coefficient current and a negative temperature coefficient current. A current addition unit is used to add the positive and negative temperature coefficient currents, and compose the positive and negative temperature coefficient currents according to a predetermined proportion. Finally, a reference current of adjustable temperature coefficient and value is output.
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