robb wrote:
there is quite a variety of sig/func generators on the bay ...
just wondering if there is a basic series or brand to looking for
to test/setup a tek 2236 scope ?

http://www.google.com/images?q=Fluke-5820A

How are you planning to verify that the crap you buy on ebay
is giving a valid output?
Anything without a recent NIST-traceable certificate
is only adding more variables to your situation.

If you have doubts about the accuracy of your scope,
take it to a metrology lab
for calibration with NIST-traceable standards.