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This paper presents a mathematical analysis of how temporal noise is transformed by quantization. A new method for measuring temporal noise with a low-resolution ADC and then accurately refer it back to the input of the ADC is shown. The method is, for instance, applicable to CMOS image sensors where photon shot noise is commonly used for determining… (More)
—This brief presents a new simultaneous multislope analog–digital converter (ADC) architecture suitable for array implementations in, e.g., CMOS image sensors (CISs). The simplest implementation is almost twice as fast as a conventional-slope ADC, while it requires only a small amount of extra circuitry. Measurements have been performed on a custom made CIS… (More)