4051 mux problem?

[Stewart Pye]

Hi All,

At 02:48 PM 23/07/99 +0900, The Dark force of dance wrote:
>Y-ellow Stewart, Paul 'n' y'all.
>	I don't know if this is of any help to you but in my limited experience
>with sample hold, I've found using an integrator to be far more successful
>than buffering a cap. The output of the opamp holds the capacitor rock
>stable at what ever the last input voltage was. Over a time constant of
>course but your caps can be ultra small.

**snip**

>Hope this helps.

Sure does, why didn't I think of that ? :-)

I'm only using LM324 op amp because they seem to be the only cheap single
supply op amps available. I think they'll do job....  if not I'll use FET
input opamps. 

Thanks Batz, I'll try it tomorrow.


regards,
stewart.