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Old 30th December 2005, 04:46 PM   #1
ash_dac is offline ash_dac  United Kingdom
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Join Date: Jan 2005
Location: UK
Default SAA7220 queries

Hi,

From this reclocking thread..

http://www.diyaudio.com/forums/showt...?postid=798407

I did some more digging on the saa7220, and found what I wanted from an Analogue Device application note AN-207 which is posted elsewhere on the forum in regards to the ad1865 dac,

http://www.analog.com/UploadedFiles/...60163AN207.pdf


Saa7220 questions:-

-Is that pre-emphasis of +1.0db at 20Khz correct ?

-Anyone know the stopband attenuation of the saa7220 ? (I want to compare with other filters)

In the end if I 'upgrade' the saa7220 I will probably need to upgrade the tda1541a aswell.

I have thought about this module but I haven't received a response to what DAC is on the board http://www.obantec.co.uk/html/products_4.html

I doubt they will tell me!


Kind regards,

Ashley.
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