[sdiy] Using dual BBD chips for higher clock frequency

Mike Bryant mbryant at futurehorizons.com
Fri Jun 17 11:23:58 CEST 2022


Yes.   But 'advantages' and 'religious beliefs' are two very different things :-)


-----Original Message-----
From: Roman Sowa [mailto:modular at go2.pl] 
Sent: 17 June 2022 10:21
To: Mike Bryant
Cc: synth-diy at synth-diy.org
Subject: Re: [sdiy] Using dual BBD chips for higher clock frequency

I may be wrong, but possibly prefering BBD over ADC-RAM-DAC is the same thing as tube audio amp vs. solid state one.
Price, performance, ease of use, unobtainable parts - it all does not matter then.

Roman


W dniu 2022-06-17 o 11:01, Mike Bryant pisze:
> BBD is only about 12 bits accuracy at best, and there's plenty of cheap ADC/DACs that can run 12 bits at many megahertz.    Pair one of these with a cheap ARM processor with lots of memory.
> 
> -----Original Message-----
> From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of 
> Jay Schwichtenberg via Synth-diy
> Sent: 17 June 2022 02:02
> To: synth-diy at synth-diy.org
> Subject: Re: [sdiy] Using dual BBD chips for higher clock frequency
> 
> Isn't one of the advantages of using a BBD over a digital solution is the clocking can go to 500 KHz to 1MHz?
> 
> So depending on the clock freq you can get the aliasing filters higher up and have better freq range.
> 
> Jay S.
> 
> 
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