[sdiy] DIY-BBd

john mahoney jmahoney at gate.net
Fri Sep 12 22:51:59 CEST 2003


> Dear Synth-Wizards,
> Is it possible to build a BBD out of discreet components today?

In theory, yes. [Stepping way out on a long limb] It is possible to build
almost any IC with discretes. (Not DLP chips, though.)

A 1,024-stage BBD has 1,024 capacitors plus circuitry to pass the value of
one cap to the next -- it does this for each stage, every cycle. That's why
it's called a Bucket Brigade Device.

So, the number of discretes would be huge. Not quite a Pentium 4, but too
many to think about!
--
john



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