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Sample and hold circuit has been discussed already in the class. It is also told that hold period is needed, because during this time ADC converts analog to digital voltage. Remember input to the ADC is not sine wave it a sampled and quantized (rounded) voltage. Hence in the class it was taken as 4 volt and ADC converted it into 0100.
Sample and hold circuit has been discussed already in the class. It is also told that hold period is needed, because during this time ADC converts analog to digital voltage. Remember input to the ADC is not sine wave it a sampled and quantized (rounded) voltage. Hence in the class it was taken as 4 volt and ADC converted it into 0100.
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