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A DEMODULATOR WITH A CARRIER GENERATING PINNED PHOTODIODE AND A METHOD FOR OPERATING IT
A DEMODULATOR WITH A CARRIER GENERATING PINNED PHOTODIODE AND A METHOD FOR OPERATING IT
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机译:具有载流子固定光电二极管的解调器及其操作方法
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摘要
The disclosure relates to a demodulator including a pinned photodiode; at least one storage node; at least one transfer gate connected between the storage node and the pinned photodiode. The pinned photodiode includes a p-doped epitaxial semiconductor layer; a n-doped semiconductor region formed within the epitaxial semiconductor layer; a p+ pinning layer formed on top of said semiconductor region. The pinning layer is split into at least two separate regions spaced apart by electrical insulating element, each region being arranged for being biased independently by a respective biasing signal for creating a gradient of potential within the semiconductor region.
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