Radio fun at the Boatanchors Web Ring
Have you heard about this radio ring? You can find a load
of interesting sites that you may not have run across before.
Each web page has a link to others. You just look for the
ANCHOR symbol and click on NEXT to see another site,
OR you can start at the
A number of folks who found the IARU bandplan OK, and support restrictive
band plans, have written to me saying the bands are so crowded we've got to do
something!
I must disagree. I passively listen to the MF and HF bands at least ten
hours a week, and actively operate about an additional
[EMAIL PROTECTED] writes:
That's just not the best plan. IARU can do better.
I urge you to tell that to the ARRL - they need the feedback! When I
offered my views, Dave Sumner wrote back that I was wrong, the plan was not
restrictive and limiting, and anyway it is voluntary. He implied
The light Panasonic ovens that say something like Inverter on the logo are
switchers. No heavy transformer anymore. They provide negative polarity hot and
operate in a current limit mode, not voltage regulation. There is a website on
them, if you search for it, that talks about dissection of
That's interesting to hear on the switcher HV supplies. Definitely
useful at 1/2a. If it is noisy a guy could filter it more and have a
nice compact HV supply. Now I have to go find one...hi hi...
Just think of the possibilities of a small HV switcher hidden under a
chassis of a radio that
Thanks John. Great info.
Rick/K5IAR
The light Panasonic ovens that say something like Inverter on the logo are
switchers. No heavy transformer anymore. They provide negative polarity hot
and operate in a current limit mode, not voltage regulation. There is a
website on them, if you search for
I found this link for a 2700v 1a supply using microwave transformers.
http://web.archive.org/web/20030627162157/http://www.vaxxine.com/phil/QEX_HV_Power_Supply.pdf
http://tinyurl.com/yoa7cb
use the short link if this doesn't post properly.
Mike
WE0H
John Lyles wrote:
The light Panasonic
About switching power supplies:
I have found that computer power supplies are pretty cool as well.
I buy two identical supplies and remove the transformer out of one of them.
Then I manufacture some sort of mount such as another pc board for the
second XFMR. I connect the low voltage
I have a small box of HV low current rectifiers for TV service.
1V2's
1X2's
1B3's
3A3's
2X2's
etc
also some HV regulator triodes (the highest gain tube in the TV)
6BK4's
Does anyone have a use for these?
I was thinking of an over-modulation detection circuit for big rigs.
Not enough current
please email direct for more info. damn spam filters :-|
Thank You,
Rev. Robert P. Chrysafis
Universal Life Ministries
http://www.ulc.org
Moderator Hunterdonfree
http://groups.yahoo.com/group/hunterdonfree
Moderator NeighborhoodInformer NJ/PA
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