NEED HELP ON IF FILTERS

[Glen Zook]

The old "Q-Fiver" modification that was made in the
late 1940s and even into the early 1960s would work.
Basically, this consisted of coming off of the 455 KHz
i.f. into a BC453 command set receiver that covers the
455 KHz frequency.

There articles on this modification in many of the
amateur magazines of the 1940s, 1950s, and even 1960s.
 You don't have to make any major modifications to the
main set and this is "authentic" in terms of boat
anchor history.

Glen, K9STH


--- Dee Almquist <w4pnt at VAIX.NET> wrote:

Double conversion is a possibility with miniture
circuitry @ 60 kc. (limited space). Any one have any
experience with sooping up IFs?

=====
Glen, K9STH

Web sites

http://home.attbi.com/~k9sth
http://home.attbi.com/~zcomco

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