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Old 3rd May 2011, 07:26 AM   #1
tessier is offline tessier  Canada
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Join Date: May 2008
Default Questions about a circuit to made a IV amp filter

Hi

Today I've founded a file with a good circuit to made a IV amp filter, I've moded it for a filter with a sin/x and cutting at 20khz for a non-oversampling TDA1541A dac.

Here's the link to the file:

http://focus.ti.com.cn/cn/lit/an/sbaa001/sbaa001.pdf

I attached the circuit I've done with it and the frequency and phase response.

Any opinions or suggestions ?

Thanx

Paul
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