Design and Implementation of Offset Error Cancelling Using High Speed Flash ADC

Provided by: International Advanced Research Journal in Science, Engineering and Technology (IARJSET)
Topic: Hardware
Format: PDF
An Analog-to-Digital Converter (ADC) is a device that converts the input continuous physical quantity to a digital number that represents the quantity's amplitude. The result is a sequence of digital values that have converted a continuous-time and continuous-amplitude analog signal to a discrete-time and discrete-amplitude digital signal. A direct-conversion ADC or flash ADC has a bank of comparators sampling the input signal in parallel, each firing for their decoded voltage range. The comparator bank feeds an encoder logic circuit that generates a code for each voltage range.

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