Hi,
Andy, which LM324 are you replacing with a TL074?
I'm also curious about your 'hard/soft' mod and its installation, too.
I'll be building my 1st CGS wavemultiplier in a couple weeks.
Regards,
Chris
Andy, which LM324 are you replacing with a TL074?
I'm also curious about your 'hard/soft' mod and its installation, too.
I'll be building my 1st CGS wavemultiplier in a couple weeks.
Regards,
Chris
> Thanks for the tip. I must say, I'm not particularly worried about
>using the fastest possible amp, and after putting in a TL074, I'm
>quite happy with the waveshape coming out now.
>In fact, I'm eying up that spare amp on IC2d which I still have as an
>LM324, and I think I'll put a switch in to select between 'hard' and
>'soft' pulse output. :->)
> > The 'scope reveals that this is due to slew rate limiting of the
> > LM324 as it tries to crash from rail to rail at only 0.5V/uS. I'm
> > just curious; is this by design to mimic what the original Serge
> unit
> > did?
> >
> > I intend to put a TL074 in for IC4 which has a better slew rate of
> > 13V/uS and sharpen up those edges. I'll also attenuate the output
> as
> > +/-15V is a bit hot :-0
> >
> > All the best
> >
> > Andy