Dec 3, 2004 #1 L LCI Newbie level 5 Joined Sep 9, 2004 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 73 In some audio ADC spec, they say SNR=90dB with A-weighted filter. But A-weighted filter is a continuous-time filter, how they process it to measure the SNR at ADC output?
In some audio ADC spec, they say SNR=90dB with A-weighted filter. But A-weighted filter is a continuous-time filter, how they process it to measure the SNR at ADC output?
Dec 3, 2004 #2 C cesare Full Member level 3 Joined Feb 21, 2002 Messages 174 Helped 9 Reputation 18 Reaction score 2 Trophy points 1,298 Activity points 1,226 It can be they apply a digital filter with the same transfer function of the A filter to the output data... maybe
It can be they apply a digital filter with the same transfer function of the A filter to the output data... maybe