MOTM

At 12:00 AM -0400 5/5/03, media.nai@... wrote:
>
>1) Single-packaged very high-impedance op-amp for the sample & hold.
>Ken used LF356, and suggests a CA3140 which has an input impedance of
>1.5T!!  The problem is that Digikey and Mouser do not stock CA3140.
>Jameco and JDR sell them, but then shipping gets expensive.

Doh!!  Mouser does stock the CA3140.

http://www.mouser.com//index.cfm?handler=displayproduct&&lstdispproductid=286733


Still looking for an improved 4052....