Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 17, 2012
Patent Application Number
12666966
Date Filed
June 25, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A signal conversion circuit 2 according to an embodiment of the present invention has a difference amplifier 10 and a source follower 20. The difference amplifier 10 has first and second resistors 11, 12 connected in series, third and fourth resistors 13, 14 connected in series, first and second PMOS transistors 15, 16, and a current source 18. The source follower 20 has first and second NMOS transistors 22, 24. A source of the first NMOS transistor 22 is connected between the first and second resistors 11, 12, while a source of the second NMOS transistor 24 is connected between the third and fourth resistors 13, 14.
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