Tim Shoppa wrote:
Are the big old-fashioned IF transformers-in-a-can available
anywhere anymore? I want to make a receiver, probably double
conversion,
which would mean that I'd want several each of the 50kHz and some
higher frequency (455kHz likely).

Try a hamfest, or Antique Electronics Supply.

Are these things that can be made from scratch without a lot of
difficutly? I can wind coils etc. but don't
have any transformer slug-tuned cores.

They are a bloody pain. You should try it. If it was easy, it
wouldn't be fun.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."