On (17 Aug 96) Michael Black wrote to All...
MB> I haven't seen this product so I can't say whether this applies to
MB> this product or not, but here goes.
MB> So this WinRadio plugs right into the bus of a computer. It's not
MB> near the computer, it's not next to the computer, it's right inside.
MB> If the thing is not extremely shielded, it might not work so well
MB> in the environment. Worse than the act of holding a scanner too
MB> close to the computer (as someone was having a problem with last
MB> month), the radio runs off the power supply of the computer.
MB> All the switching transients can come directly to the receiver
MB> board instead of having to pick them up through radiation.
MB> Even if the board is extremely well shielded, and the power supply
MB> lines are extremely well filtered, you still have to connect
MB> the receiver to the outside world, via coax to the antenna.
MB> And that coax has to run out of the computer, presumably near
MB> the computing equipment for a while, before it even reaches
MB> the actual antenna. ANother big chance to pick up noise from
MB> the computer.
MB> SO this is something to watch for when considering buying
MB> any radio that plugs into the expansion bus of a computer. The
MB> idea may be neat and tidy, but that doesn't mean that it's
MB> a perfectly good idea.
I would agree with you if I hadn't seen TV and AM\FM Radio cards
inside IBM computers work perfectly fine without any interference. I
don't know what they used for an antenna but you can be sure it
wasn't internal.
Martin
... To us, a bee is a pain. To a flower it's Don Juan!
--- PPoint 2.00
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* Origin: The PROUD owner of a Radio Shack PRO-39 (1:105/40.39)
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