James Sweet wrote:
"Jamie" wrote in
message ...
wrote:

Can I use an old computer for a power supply for my mobile 2 meter
50 watt radio? Will the radio put out the same power as if it was
in the car? It calls for 13.8 volts.

depends on the radio.
most ham Radio's these days require a min of 13.0 , anything less,
the results is unpredictable.
the computer supply even though quite good may not be up to snuff
for that unless you alter the regulator a bit.



Often that's trivial, many power supplies have a pot in them to tweak
the output. Note that you'll need a load on the 5v for most of them
to regulate properly, an automotive brakelight bulb works well and
doubles as a pilot light.

I've noticed quite a few very 'non-technical' questions coming from hams
lately. What does it take to pass the technical part of the lisence test
these days? Way back when I was a ham, any novice could have answered stuff
like this....

jak