Russell Tiedt wrote in a message to Roy J. Tellason:

RT>> I thought somebody in the electronics echo had posted schematics?

RJT>> Yes, but I had a time finding the opamps, might still get them
RJT>> from another source that has come to my notice recently.

RT> Which op amps was it you were looking for?

RT> Well, the diagram I am looking at calls for 2 x OPA637's and from
RT> the text that comes with it, OPA604's or OPA627's are also usable.

I'll have to look in my Op Amp cookbook to see what it has to say about
those OPA numbers.

RT> BTW. I have still not received that parcel you sent me. Figure the
RT> "postal  service" managed to loose it. :-(((

Damn.

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