ODP: S&H

[Roman Sowa]

No PIC needed
ADC: can't recall the part number, but it is simple 8-bit adc cost about 3$
DAC: whatever, maybe even R-2R ladder

trigger pulse would be adc convert signal (10mu s convert time)
I'd have to check the datasheet, but it is that simple.

Roman

> -----Oryginalna wiadomość-----
> Od:	Paul Perry [SMTP:pfperry at melbpc.org.au]
> Wysłano:	12 marca 1999 00:08
> Do:	tomg
> DW:	synth-diy at mailhost.bpa.nl
> Temat:	Re: S&H
> 
> The best sample and hold is an A to D convertor & a memory,
> and then D to A.
> Will wait for say, until the eventual heat death of the universe
> with no droop. 
> My challenge to the list: how cheap can you make this?
> Perhaps with a PIC?
> 
> paul perry melbourne australia
> 
> Hey, it's not THAT silly an idea. It resurfaces in EDN every decade.