[R-390] AGC problems - need help interpreting IF resistance readings

[John Kolb]

At 02:48 PM 9/5/2005, Dennis Wade wrote:
>Well, I think I've isolated the problem to the output side of the
>mechanical filter group, so its  either a filter, a mica cap
>(unlikely, since the filter would have to be leaking to ground too),
>or the switch itself.

snip

>There is no DC path from input to output of a mechanical filter, correct?

Correct, the input coil will measure somewhere around 50-60 ohms, as
will the output coil, but infinite between the pair. Also, should be infinite
between either coil and filter case (out of circuit)

John
http://www.jlkolb.cts.com