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Problems with the 56824EVM

Started by josalfe2002 August 8, 2002
Hi everyone...does anyone has problems using the codec of the
DSP56824EVM???.
Let me explain. I generate an square signal (using a protoboard) and
use it as input on my card (using the input jack). And then , I just
simply write it back to the codec through the output jack on the
board. But, using an osciloscope, I see that the output signal is
VERY noisy (comparing with the input)...does anyone knows why this
happend???

Thanx a lot
JosAntonio S.