[Hammarlund] 455 kHz IF T4 will not peak on HQ-180

Roy Morgan roy.morgan at nist.gov
Wed Sep 7 09:51:08 EDT 2005


At 01:26 AM 9/7/2005, Craig Roberts wrote:
>It is possible that a mica cap inside the transformer can is leaky. ,,, 
>more and more bad micas are showing up. Rebuilding an IF can is not difficult,

Craig and all,

Some IF cans have integral mica capacitors. That is, the cap is molded into 
the base of the coil form between the terminals.  This involves some 
digging to get it out.  Then a new cap can be mounted either inside or 
outside the can.

There is a web site that shows what this all looks like but I don't know 
what it is.

Roy




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