Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 6, 2016
Patent Application Number
14816955
Date Filed
August 3, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A preamplifier may include: a common active load suitable for providing output impedance; an output polarity changing unit suitable for changing an output polarity of output nodes; a multi-differential input stage suitable for receiving an input voltage, a coarse ramping voltage, a fine ramping voltage and a common mode voltage, and sampling the common mode voltage and the coarse ramping voltage for amplification operations; and a coupling blocking unit suitable for blocking a coupling between the output nodes and input nodes that are included in the multi-differential input stage.
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