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Altera_Forum
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11 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...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

As you easily see, either the test signal frequency or the filter sampling rate is incorrect because the number of samples per signal period is quite different from intended value. You don't show your HDL design so we can't know why. May be a problem with the source and sink handshake signals.