[R-390] Tightening shaft connection?

[Jim Brannigan]

Actually the problem with most AM detectors is too little BFO injection in
relationship to the IF signal.  Of course these detectors are not build to
filter the increased BFO signal and it will get into the AGC.

Jim


> My take on the 47pF cap across the original was that there was too much
BFO
> injection and that it did adversely affect the AGC. I couldn't neutralize
> the BFO. YMMV. I found that the two diode attack time mod was the most
> effective part. A smaller cap across the original is a reasonable cut and
> try affair.
>
> Bob