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Buffalo III upgraded with ES9028Pro
Buffalo III upgraded with ES9028Pro
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Old 17th May 2017, 01:13 PM   #11
Dimdim is online now Dimdim  Greece
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Buffalo III upgraded with ES9028Pro
The only place I could at the time - a seller on Ebay. The chips worked the way they should so I didn't really pay attention to the missing thermal pad.
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Old 17th May 2017, 01:17 PM   #12
Eldam is offline Eldam  France
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Bravo DimDim !

Is the improvment a big step with the new chip ?

Should be very good with your Kali hat and the comming Kali II or the isolator hat of Ian in between
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Old 17th May 2017, 01:51 PM   #13
Dimdim is online now Dimdim  Greece
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Buffalo III upgraded with ES9028Pro
The improvement from 9018 to 9028 is substantial, as long as the rest of the system is transparent enough.

But the bigger improvement came from replacing the "stock" TPA AVCC module with the LT3042-based one.

I haven't yet managed to try out Kali in this setup but I will.. Plus I'm also waiting for Ian's MC FIFO..
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Old 17th May 2017, 02:25 PM   #14
Eldam is offline Eldam  France
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yep, I ask myself how could be such a stuff with a OCXO MCL clock board (I think about the Andrea Mori's) : just have a doubt about I2S connectivity of the FIFO ?! (lack of 3 uf-l outputs plugs for the I2S = just a flat cable towards the MC clock board?... I have asked Ian in his thread) : speedy signals and conectivity and matched impedance, return signal path and shielding is impedance as you know (uf-l wires for instance)
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Old 17th May 2017, 02:35 PM   #15
Dimdim is online now Dimdim  Greece
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Buffalo III upgraded with ES9028Pro
I'm guessing Ian is convinced that the reclocking that is done on the MC Clock board takes care of any degradation of the signal on its trip from the MC FIFO to the MC Clock.
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Old 17th May 2017, 02:38 PM   #16
Eldam is offline Eldam  France
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It makes sense indeed but why making two boards so?
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Old 17th May 2017, 02:44 PM   #17
Dimdim is online now Dimdim  Greece
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Buffalo III upgraded with ES9028Pro
I'm guessing to give options regarding the clock boards. I'm sure Ian knows better and will reply in the proper thread.
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Old 17th May 2017, 03:04 PM   #18
Eldam is offline Eldam  France
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yes, I asked (though no answer yet) ! Anyway, a diyer could make a flat cable to i2S plug adapter (joke of course !); but the goal is always also to reduce the EMI surface and exposition for RF signals

Anyway it's off topic as you point out, sorry for that !

Liked a lot the air gun job

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Old 17th May 2017, 03:18 PM   #19
Dave murrey is offline Dave murrey  England
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Quote:
Originally Posted by Dimdim View Post
Yes, I've started work on 9028/9038 support for my arduino tft project. Essentially what I'm doing is a major rewrite of the code. When I'm done with it it will bear little resemblance to the current TFT HiFiDuino code.

Yes, the code for the 9028 is 100% the same as for the 9038. I've tested both chips.

The requirements will be the ones that are applicable to the current TFT HiFiDuino code.

Keep in mind that if you have the DIYINHK 9038 board and are running it without software control, you are listening to a small part of the board's performance (since it is running in multichannel mode). You'll get a very nice bump in SQ when you switch to software control, plus filter selection, etc.
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Old 17th May 2017, 03:19 PM   #20
Dave murrey is offline Dave murrey  England
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thankyou Dimdim this is great news.
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