[sdiy] BBD question

[Samppa Tolvanen]

On Sat, Aug 30, 2008 at 12:28 PM, JH. <jhaible at debitel.net> wrote:
> One thing about cascading short BBDs: The output level is often smaller than
> the input level, so in order not to waste SNR, it's advisible to put some
> amps for makeup-gain between them, rather than just butting one such amp at
> the end of the chain. Thinking of it, that could even be an advantage over
> one long BBD - theoretically.
>

And You'd need to bias each BBD anyway..

> (And build a hell of a driver circuit ... no better forget about that.)

And You're saying that.. ;)

Samppa

p.s. Next: Companding for improved S/N..