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HP8591E

Question asked by ON4IMMDirk on Nov 26, 2010
Latest reply on Dec 7, 2010 by tabbott
Hello
I have a HP8591E and when i power it up , connect the Cal output to input , Freq 300Mhz , Span 1Mhz , i have a nice pictures.
After 10 min.(temperature  i think) the signal wobbling around the screen , very unstable .
Any now above this problem ??

Thanks Dirk  

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