|[AMRadio] DX100B oscillation problem|
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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