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A neural recording IC with a new spike detection scheme is proposed to minimize power dissipation while preserving the waveform information of the detected spikes. A delta modulator is employed in the recording IC to reduce signal dynamic range and enable low-voltage operation. A series of output values from the delta modulator are stored in a small amount of analog memory to extract two key features...
In this paper we report a high dynamic range CMOS image sensor (CIS) with in-pixel floating-node analog memory for pixel level integration time control. Each pixel has different integration time based upon the amount of its previous frame illumination. We can implement true CDS technique to reduce reset noise without any additional hardware because we use a floating-node parasitic capacitor as an...
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