Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
March 17, 2015
Patent Application Number
14283799
Date Filed
May 21, 2014
Patent Primary Examiner
Patent abstract
A multi-input voltage-to-frequency conversion circuit, includes: a multi-input operational amplifier amplifying one of multiple voltage signals in response to multiple control signals to generate an amplified voltage; a voltage-to-current converter converting the amplified voltage into a sensed current, and generating an oscillation current based on the sensed current and on an offset voltage that is associated with a predetermined frequency range corresponding to the one of the voltage signals; and a current-controlled oscillator generating, based on the oscillation current, a periodic pulse signal that has a frequency linearly proportional to the magnitude of the one of the voltage signals.
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