Don, put MORE Toroids, that what I did , every where, on each cable from both
ends.
Power supply as well, every cable I covered with toroids, now my Gateway is
OK.
73's Andrei EW1AR-NP3D
W5FKX - Don <w5fkx@cox.net> wrote:
Over the last couple of days, I had the opportunity to try out my new
Gateway laptop during a quick portable operation during a trip, only to find
that I had a big problem. I used my usual portable equipment, consisting of
an IC-706MkII, Rascal interface, and MMTTY running on the laptop. Of course,
the new laptop did not have a serial port (as did my old one), so I used a
serial-to-USB adapter to control TX/RX. Despite toroids on the lines coming
into the laptop, after the first transmission it was apparent that RF was
getting into the computer, as my touch-pad would not allow tap-clicking,
followed by a complete lock-up (I had to remove the battery to shut it off).
This was my first attempt to use a serial-USB converter, so I disconnected
it and, after re-booting, was able to TX/RX manually. This is NOT what I'd
like to do!
Any suggestions? ... other than pitching the laptop ... :-)
Don W5FKX
Delta DX Association
http://www.qsl.net/ddxa
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