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OUTPUT FILTERS

 
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Mcfly



Joined: 08 Mar 2013
Posts: 45
Location: Argentina

PostPosted: Tue Nov 10, 2015 8:53 am    Post subject: OUTPUT FILTERS Reply with quote

Hi! I'm running this simple program:

rdax adcr,1
wrax wrax dacr,0

Circuit is: Input Buffer=>FV1=>Output buffer

Im feeding the input with a sinewave 1vpp, and at the output of the FV1 the signal is slightly weaker (10% or 15% less tan the input). Is this normal?

I've noticed that the datasheet suggest for the fv1output a 3.3uf, 10k, 1k and 2.2nf. If i measure with the scope between 3.3.uf and 1K signal is not attenuated. Is there a solution for this?
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frank



Joined: 19 Oct 2005
Posts: 958

PostPosted: Tue Nov 10, 2015 2:00 pm    Post subject: Reply with quote

Post the schematic.
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Frank Thomson
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