[sdiy] Help needed! - EFM VCO4d

[Harry Bissell Jr]

Be SURE to add some decoupling caps right AT the
power connector. The ones on the board are located
too far away from some critical points to be very
effective.

H^) harry

--- yves usson <yves.usson at imag.fr> wrote:

> Hi James
> 
> in such a case use a 820 ohm resistor for R25 (or
> even 680 ohm see what 
> fit!).
> For the pulse, add a 2.2K pull-up resistor between
> pin1 of the LM393 and 
> the +15V rail.
> 
> Cheers
> 
> Yves
> 
> 
> James Dunn a écrit :
> > Hi Yves,
> > 
> > I am working with +-15V. I'll check out the
> resistors in the sine 
> > converter - thanks for the tip!
> > cheers
> > 
> > James
> -- 
> Yves Usson
>