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Altera_Forum
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12 years ago

demodulator with altera megafunction

hi, i've to realize a i-q demodulator for low frequencies signals with the classical scheme https://www.alteraforum.com/forum/attachment.php?attachmentid=9034 The input signal is a 1,3H...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

dspbuilder should have separate entries for system clock and sampling rate. Your clock frequency I assume will be higher than sampling rate in which case you let the filter see the correct rate through sink valid which should be at your input rate.