[hpsdr] Is Penelope U6 Toast?

Phil Harman phil at pharman.org
Thu Feb 9 16:52:55 PST 2012


Hi Mike,

Penelope is fine into a 50 ohm load - she does not like a short circuit.

It does sound like you have let the smoke out of U6.

73 Phil...VK6APH


> ***** High Performance Software Defined Radio Discussion List *****
>
> I had a 50 ohm load on Penelope output and was changing the output when
> it disappeared.  I am wondering if Penelope doesn't like a 50 ohm load
> and therefore I need to change U6.  I do see output when I crank the
> scope gain way up, but it is now about the same level as what I measure
> at JP2.
>
> Thanks
>
> Mike, K7SR
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