how the snr depend upon the input frequecy

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manissri

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how the snr of adc depend upon the input signal frequency and amplitude of input signal
 

could u please explain in more elaborative way..
it wud be great to understand me.
 

For the amp relationship, it is quite easy : there is a noise in the adc which is independant of the amplitude of the input signal.
So, when the amplitude of the input signal to convert increase, the SNR increase

For the frequency relationship, the input of a component is always band limited.
 

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