[sdiy] BBD question

[Andre Majorel]

On 2008-08-30 06:25 +0100, Tom Wiltshire wrote:
> On 30 Aug 2008, at 04:48, Ian Smith wrote:
>>
>> Now, if I wanted to tap the chain of BBDs, would I tap after
>> the  filter between BBDs?
>
> Yeah, that'd do it.
> The problem is noise. By the time you're to your four or fifth
> tap,  you're not going to hear much signal underneath the
> waterfall.

Any particular reason why the S/N ratio of four 512-stage BBDs in
series would be worse than that of a single 2048-stage BBD ?
(Assuming the filters do not contribute appreciably to the noise.)

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André Majorel <URL:http://www.teaser.fr/~amajorel/>
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