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SFDR analysis (Read 2647 times)
richloo
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Posts: 9
SFDR analysis
Feb 07
th
, 2005, 6:13pm
hi guyz, can anyone tell me wat is SpuriousFreeDynamicRange and how to simulate it??? I was told this is an important parameter for CT filter.
Thanks in advance!
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venkat
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Re: SFDR analysis
Reply #1 -
Apr 29
th
, 2005, 4:48pm
SFDR is the difference between the first (fundamental) frequency peak and the next highest harmonic peak in a fourier plot.
It gives an indication of how good is your rejection in terms of the baseband signal
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venkat
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Re: SFDR analysis
Reply #2 -
Apr 29
th
, 2005, 4:51pm
To simulate it, simply plot the FFT of the AC responce and write the diff equation in the calculator in cadence. (Be careful on noting the peak ... it might be in Volts or power... appropriately take the difference)
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