Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masao Kaizuka0
Date of Patent
October 23, 2007
0Patent Application Number
110494210
Date Filed
February 2, 2005
0Patent Primary Examiner
Patent abstract
A charge pump that employs a differential amplifier that provides a differential output to control a charge up current source and a charge down current source. The differential amplifier is configured so that the current sources can maintain substantially equal charge up current and charge down current irrespective of the voltage at its output terminal.
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