SAMPLE AND HOLD READOUT SYSTEM AND METHOD FOR RAMP ANALOG TO DIGITAL CONVERSION
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United States of America
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Feb 13, 2025
app pub date -
Oct 24, 2024
filing date -
Oct 24, 2024
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Abstract
A sample and hold readout system and method for ramp analog to digital conversion is presented in which an optical array is read out using a sample and hold circuit such that each sample is used to charge a sample and hold capacitor and is read out during a hold phase using an amplifier that drives an ramp analog to digital converter. The sample and hold circuit transitions to a tracking phase wherein the optical array input drives an amplifier that drives the sample and hold capacitor then transitions to a sample phase where the sample and hold capacitor is connected to the optical array output directly.
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