i do not understand that this thing does ...is it a filter ? a audio
source ? ..im confused
-
Dustin
source ? ..im confused
-
Dustin
On 4/25/05, charlesosthelder <osthelder@...> wrote:
>
> Now this is COOL!!!
>
> Two multiplexers for very steep slopes and a real vco for control! I
> can't wait to see this pcb in the mail!
>
> Most switched capacitor filters utilize a single 4051, clocked by a
> 4046 VCO with a 4024 or 4040 divder. These are pretty popular for
> audio filtering in amateur radio. A circuit like the Bi-N-Tic would
> be way too extreme, however. In synthesis, extreme = fun!
>
> One question, Ken - the 4051 pin #8 is usually at 0V for a signal
> swing from Vdd - Vee. In some cases, both pins 7 and 8 are at 0v.
> Why did you use this bias arrangement with both #7 and #8 at the -
> 7vdc? I'm sure your reasoning is sound, I just want to learn.
>
> Thanks!
>
> Chub
>
>
>
>
>
> See the following URLS for the CGS Modular Synth home page:
> Main: http://www.cgs.synth.net/
> Secondary: http://otherunicorn.0catch.com/synth/
>
>
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