Yet Another DIY DAC (work in progress)

**StanleyB** · 31-12-2008, 09:57

Originally Posted by Filterlab

He's the man for the job!

It's like putting an alcoholic in charge of a pub

.

**Filterlab** · 31-12-2008, 10:15

Free beer.

**Telstar** · 01-01-2009, 18:26

Originally Posted by Tam Lin

This is a DIY project I’m pursuing for my own amusement, education, and eventual use. I am not designing a product to satisfy the wants and desires of anybody else.

The above shows the typical closed-mindness of most diyers and audio designers.

Originally Posted by Tam Lin

I have nothing more to say to you. I learned long ago that you can’t win an argument with a fool.

Fool was a synonim of genius, so I take that as a compliment.
Obviously, I dont see the point to keep following this thread or your project.

**Telstar** · 01-01-2009, 18:28

Originally Posted by Sensimilia

I know more about the workings of the PCM1716 than the engineers at TI/Burr-Brown. The PCM1716 datasheet is only accurate for chips made before RoHS compliance and in DIP package. Some of my product upgrades are based on my discoveries of undocumented features in the 1716.

So it wouldn't surprise me if the 1704 and its datasheet suffers from the same problem.

I have used two different dacs built around pcm1704 and both feed i2s to the chips, so the proof is there.
Besides, it accepts up to 210khz.

**Marco** · 01-01-2009, 18:28

Hi Telstar,

It's good to see you contributing again. I hope you weren't offended by Tam's rather ignorant comments

Marco.

**StanleyB** · 02-01-2009, 09:59

Originally Posted by Telstar

I have used two different dacs built around pcm1704 and both feed i2s to the chips, so the proof is there.
Besides, it accepts up to 210khz.

In 2005/2006 I made the first TC-7510 with non RoHS DIP chips. Then I did a new prototype with non-RohS surface mount chips. After that TI supplied me with the RoHS chips and I produced the MK1. The sound was nothing like the prototype. After a lot of exchanges with the TI technical people, it turned out the new chip was different as I had been telling them!

**leo** · 02-01-2009, 11:27

Originally Posted by Marco

Leo, how would you fancy being in charge of the D.I.Y room? We'll give you a custom title of your choice

You can organise this section of the forum and lay it out the way you want, create an FAQ, categorise it into a reference area for projects/technical data - do whatever you like

Let me know what you think.

Marco.

Marco,

Thank you for the kind offer, I sent you a email, not sure if you got it

Leo

**Marco** · 02-01-2009, 15:58

Hi Leo,

I've got it but not had a chance to reply yet.

When I get a chance I'll outline what I had in mind and you can mull it over

Marco.

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