TenTec
[Top] [All Lists]

[TenTec] Radio Shack 25 amp switching supply?

To: <tentec@contesting.com>
Subject: [TenTec] Radio Shack 25 amp switching supply?
From: ham@w3eax.umd.edu (Scott Rosenfeld [N7JI])
Date: Mon Mar 10 19:33:13 2003
Remember, S9 is 50uV at the antenna input, or about 50 picowatts at 50 
ohms.

And that's for S9.

A few picowatts is enough to make a very audible signal.

(and that's not much power!!!)

On Mon, 10 Mar 2003 al_lorona@agilent.com wrote:

> 
> You won't see any noise on the scope, but you *will* hear it on a shortwave 
> receiver.
> 
> Al  W6LX
> 
> >  I couldn't measure any noise with a scope hooked directly to 
> > the output of the
> > supply.
> > 
> > 73 de Gary, AA2IZ
> > 
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
> 

-- 
Scott Rosenfeld  ARS N7JI
541-684-9970  Eugene, OR  Land o' much rain
If you find me on the air, I'm probably in my car
ham@w3eax.umd.edu  http://w3eax.umd.edu/~ham

<Prev in Thread] Current Thread [Next in Thread>