Preamp tests

["Fernando J. Barbosa" <barbosa@jlab.org>]

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

Preamp Test Note.pdf

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