[AMRadio] DX100B oscillation problem

Rick Poole wa1rkt at arrl.net
Wed Dec 7 13:21:39 EST 2011

At 12:46 PM 12/7/2011, JAMES HANLON wrote:

>If you suspect that your oscillation problem may be coming from the 
>audio/modulator chain, just pull out the 1625 modulator tubes and 
>see if that stops it.

I actually ran it that way for a few days after one of the modulator 
tubes developed a short.  I tried it again yesterday, but the problem 
is happening occasionally in CW also (not as often as with phone).

I do have a couple of good lab scopes... my scopes are better than my 
ears are.  :-)



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