wobbling of 2H channel

From: Jihui Wu (wujihui@ustc.edu.cn)
Date: Mon Jul 07 2008 - 21:39:57 PDT


Hi all,

The 2H channel of our cryoprobe in 500MHz nmr machine can not be wobbled now, the
tuning/maching function can not work. I have heard that, one can adjust the
preamplifier with a 50ohm standard resistance. Does anyone know the details?

Thanks

Wu Jihui



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