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posted Jan 15 '10 at 09:26

Evgeny%20Fadeev's gravatar image

Evgeny Fadeev
5771

What may cause lock level depend on pfgon setting in vnmr?

Hello, I've been working through the probe performance tests and noticed that when I change pfgon='yyy' to pfgon='nyn' lock level drops to about 50% of the previous.

Does it indicate some problem in the PFG amplifier or elsewhere?

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No.1 Revision

posted Jan 15 '10 at 09:26

Evgeny%20Fadeev's gravatar image

Evgeny Fadeev
5771

What may cause lock level depend on pfgon setting in vnmr?

Hello, I've been working through the probe performance tests and noticed that when I change pfgon='yyy' to pfgon='nyn' lock level drops to about 50% of the previous.

Does it indicate some problem in the PFG amplifier or elsewhere?

click to hide/show revision 3
No.2 Revision

posted Jan 15 '10 at 09:27

Evgeny%20Fadeev's gravatar image

Evgeny Fadeev
5771

What may cause lock level depend on pfgon setting in vnmr?

Hello, I've been working through the probe performance tests and noticed that when I change pfgon='yyy' to pfgon='nyn' lock level drops to about 50% of the previous.

Does it indicate some problem in the PFG amplifier or elsewhere?

Thank you.

click to hide/show revision 4
No.3 Revision

posted Jan 15 '10 at 10:31

Evgeny%20Fadeev's gravatar image

Evgeny Fadeev
5771

What may cause lock level depend on pfgon setting in vnmr?

Hello, I've been working through the probe performance tests and noticed that when I change pfgon='yyy' to pfgon='nyn' lock level drops to about 50% of the previous.

Does it indicate some problem in the PFG amplifier or elsewhere?

Thank you.

P.S. gradtype setting on our system is 'ttt'

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