[RTTY] noise

Bill Turner dezrat1242 at ispwest.com
Mon Jan 9 10:56:20 EST 2006


ORIGINAL MESSAGE:

At 06:50 AM 1/9/2006, Roy Morgan wrote:

>I can imagine that if such a diode was breaking down in reverse mode, it
>would make a lot of hash.
>
>Roy


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

That's true, but even in the forward conduction mode diodes generate 
hash because of the sharp leading edge of the current when they turn 
on. Most of the time we don't see this because power supply filter 
caps remove it, but in a lamp where there are no filters at all, it 
could be pretty bad.

Bill, W6WRT



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