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![]() The N bit counter generates an n bit digital output which is applied as an input to the DAC. Main Components of Counter Type ADCįollowings are the main components of ramp type analog to digital converter circuit: ![]() One such A/D converter is the counter type A/D converter represented by the block schematic as below. And it can build with a single comparator by using a variable reference voltage. ![]() To avoid this huge requirement of comparator, it is possible to construct higher-resolution A/D converters. In case of simultaneous or flash type ADC we now the requirement of comparator for n bit ADC is 2n-1. This tutorial is an introduction to the Counter type analog to digital converter working, advantages and disadvantages.
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