ADC

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Nick
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ADC

Post by Nick » Sat May 06, 2017 6:07 pm

I have not been paying much attention to digital for a bit now, but I have a need to put together a ADC, FPGA and DAC on a board for an idea (its to provide a delay element for Marks speaker experiments). What is the current flavour of the month with ADC and DAC chips. A quick google, makes the PCM4202 look a candidate.

Any view?
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Max N
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Re: ADC

Post by Max N » Mon May 08, 2017 8:04 am

Sorry Nick, I can't help with chip recommendations. But the board sounds very interesting. Could you use it for RIAA phono equalisation with zero phase shifts?

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Ali Tait
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Re: ADC

Post by Ali Tait » Mon May 08, 2017 10:00 am

Like the way the Mytek sounds Nick, chip is the Sabre 9018 K2M, not sure if it's available for diy though.
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Nick
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Re: ADC

Post by Nick » Mon May 08, 2017 11:07 am

http://www.esstech.com/index.php/en/pro ... es9018k2m/

Though I guess the package is not DIY friendly, but TBH, the moment you enter modern FPGA land, you leave the possibility of soldering by hand. The FPGA I was looking at a 238 pins in a BGA.

Its the ADC that is the key though, there are loads of DAC options.
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Ali Tait
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Re: ADC

Post by Ali Tait » Mon May 08, 2017 11:40 am

Mytek also sell ADC's. I believe the 192 uses AKM 5394A. Lots of love for this ADC from what I've read.
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Nick
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Re: ADC

Post by Nick » Mon May 08, 2017 12:56 pm

Max N wrote:
Mon May 08, 2017 8:04 am
Sorry Nick, I can't help with chip recommendations. But the board sounds very interesting. Could you use it for RIAA phono equalisation with zero phase shifts?
I dont see why not. The next step is to wrap the ADC and DAC around a dev board like this.

https://www.xilinx.com/products/boards- ... 3zdsm.html

Though at the moment I am fighting with USB drivers and not got much further than creating a micro blaze processor on it and sending Hello World out the USB port.
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Mike H
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Re: ADC

Post by Mike H » Mon May 08, 2017 7:35 pm

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