A 160K pixel CCD image sensor designed on the base of a new configuration has been developed. This device, named Preprocessing CCD (P^2-CCD), is featured by signal charges summing operation in the image sensor. In addition, the vertical CCD driving frequency and the horizontal CCD driving frequency are a half and a quarter in comparison with a conventional CCD image sensor, respectively. By adopting P^2-CCD, this device has realized 85dB wide dynamic range and 400 TV lines high horizontal limit-ing resolution.
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