[sdiy] BBD's in series and accumulative S/N ratio degradation.

[Mattias Rickardsson]

3 dB more is not "the same" at all, it's twice as much.
But it seems like you already know that. ;-)
And yes, that's probably how the S/N ratios will add up.

Anyway, I'd also be very interested in hearing people's experiences
from using multiple BBDs, either with the same clock or with different
ones.  :-)

/mr

On 23 December 2011 05:20, aankrom <aankrom at bluemarble.net> wrote:
> I have several MN3006's that I thought of using, but to get longer delay
> times, I plan to use two or three in series. Am I right in thinking that the
> S/N ratio would be the same as that of a comparable single BBD's S/N ratio?
> That is you don't just add up what appears to be accumulative S/N ratio loss
> based on the rated S/N ratio of the device since it's in dB's. Like if two
> people are talking to you at a level of 60 dB's each, the sound level isn't
> 120 dB's, but rather 63 dB's. I know that under-clocking the MN3006 would
> make the S/N ratio sucky for sure... Not to mention limiting the
> bandwidth...
>
> AA
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