ok the lsb works until the t4xb starts getting warm. then it quits. i
can put a small muffin fan on the filters and in a few minuets it
starts working again. or instead of the fan i can tweak the entire
switch and filter assembly and it will hit a happy spot and start
working again. now, wo
i have a good working r-4b. i was in it today and have noticed that
the transformer gets to hot to touch. or at least very uncomfortable
to the touch. my question. is this normal?
Carey Lockhart, KC5GTT
[EMAIL PROTECTED]
www.kc5gtt.com
"Jim F." <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Nice Mike,
That sure is a tiny little gadget. The Hallicrafters
HT-40 that I'm playing with (40W. out, xtal control,
AM and CW) has from 65 to 93 volts at th
Mike Bryce <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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not to toot my own horn...
but this is exactly what you need!
http://www.theheathkitshop.com/universalkeyingi.html
It's optically coupled and has a high
"Jim F." <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Here is a cathode keying circuit I use for
boatanchors
and solid state rigs.
http://www.geocities.com/j_fitton/trswitch/cathodekeyer.jpg
The IRF-730 i
"Eugene Balinski" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Eddy,
Good point. I am in Marlborough, MA, about 30 miles due
west of Boston. I am sure that we could arrange a meeting
point somewhere if you
"EP Swynar" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Hi Gene,
Where are you located...?
My son is going to school in Portland, Maine, & we visit him every once in a
while...and I am thinking of giving mysel
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