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Re: Preamp tests



Hall D Electronics:

Hi Fernando,

I made a report of all the tests I did today, you can find it on the 
wiki:

http://www.jlab.org/Hall-D/software/wiki/index.php/CDC_19_12_2007


It should include answers of your questions and measurements you 
suggested.


Cheers,
 	Yves
                           /--------------------------------
                          /   Yves Van Haarlem
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On Wed, 12 Dec 2007, Fernando J. Barbosa wrote:

> Hi Yves,
>
>   I have attached the results I obtained from the tests with the interposer 
> + Preamp Card + cable + termination. As you can see, the pulse response is 
> quite nice and the noise is also quite low.
>
>   As I mentioned before, the oscillations you observe with your set up are 
> definitely a result of the connections to the preamp card. I believe your 
> tests over the last few days showed that ground loops are not the cause.
>
> Best regards,
> Fernando
>