Re: gEDA-user: Capacitors

["Phil Taylor" <phil@xxxxxxxxxxxxxxxxxxxxxxxx>]

There is a famous electric guitar effect that does this ... er, run cmos logic
in active region ... so it sounds bad deliberately.

Hmmm.

Phil


Hal2000 <carzrgr8@xxxxxxxxxxxxx> wrote:

> Stuart Brorson wrote:
> 
> >If your application is to create a frequency stable oscillator, your
> >best bet is to build a crystal oscillator at some higher frequency,
> >and then count down the oscillator output to the frequency you want.
> >That's the most stable and accurate method, and crystals are cheap and
> >easy to use.  You can build a simple crystal oscillator with two 7406
> >inverter gates and a crystal (+ resistors).  Then the counter can be a
> >74163, or just get a CPLD and program it to implement whatever
> >frequency/function/pulse duty cycle you wish to generate.
> >
> >Stuart
> >
> >
> >  
> >
> >>i Actually build a pulse generator the other day using a 555 timer and a 
> >>electrolytic, it wondered all over the place i tried a tantulum bean cap 
> >>it was better but still wouldnt stay on frequency.
> >>
> >>Marc :)
> >>
> >>    
> >>
> >
> >
> >  
> >
> anyone ever build an oscillator using CMOS inverter (2 in series) and 
> running them in linear region?
> 
>