[sdiy] BBD clock bleed

Ingo Debus igg.debus at gmail.com
Wed Oct 24 19:31:07 CEST 2018


> Am 24.10.2018 um 19:22 schrieb Uwe Schueler <uwe.schueler at uni-tuebingen.de>:
> 
>> However, the signal-to-clock ratio should improve by 6 dB.
> here I don't agree: clock feed through that is (almost) identical on both channels should cancel out (almost) completely.

Yes, that I was thinking too. If the two BBD chips are 100% identical, clock feedthrough should be cancelled completely. Sort of like a humbucker pickup works.
But how much of the clock noise is feedthrough and how much is aliasing? I don’t think you can reduce aliasing that way.

Ingo


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