US Patent 7564307 Common mode feedback amplifier with switched differential capacitor
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Patent Inventor Names
Bradford L. Hunter0
Gregory J. Schroer0
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Patent abstract
A structure and related design structure for providing a common mode feedback to a differential amplifier are disclosed. A common mode feedback amplifier is connected to a differential amplifier to provide common mode feedback voltage thereto. An input of the common mode feedback amplifier is shorted to an output terminal of the differential amplifier during a sampling phase, and is coupled to the differential output voltage through two matched capacitors during a holding phase.
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US Patent 07564307 Common mode feedback amplifier with switched differential capacitor US Patent 7564307 Common mode feedback amplifier with switched differential capacitor
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Patent Number
075643070
Patent Number
75643070
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Patent Jurisdiction
Patent Number
075643070
Date of Patent
July 21, 2009
0Patent Application Number
118496250
Date Filed
September 4, 2007
0Official Website
Patent Primary Examiner
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US Patent 07564307 Common mode feedback amplifier with switched differential capacitor
Infobox
Is a
Patent jurisdiction
Patent number
07564307
Date of patent
July 21, 2009
Patent application number
11849625
Date Filed
September 4, 2007
Patent primary examiner
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