Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kuniyuki Tani0
Shigeto Kobayashi0
Atsushi Wada0
Date of Patent
February 6, 2007
0Patent Application Number
110737200
Date Filed
March 8, 2005
0Patent Primary Examiner
Patent abstract
One or more input capacitors are connected to an inverting input terminal of an operational amplifier. Connected to the respective input capacitors are switches for on-off control of the input of an input signal, switches for on-off control of the input of another input signal, switches for on-off control of the input of a higher reference voltage and switches for on-off control of the input of a lower reference voltage. The switches for on-off control of the input of an input signal and the switches for on-off control of the input of another input signal are controlled by independent control signals.
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