AMMRL: Non-linear amplifier?

From: Harker,Robert A <rharker_at_chem.ufl.edu>
Date: Thu, 5 Nov 2020 20:02:54 +0000

AMMRL;

We are using an AMT proton amplifier on an Varian inova500 and we are getting these very long pw90s at the lower powers. It seems to me that this amplifier is non-linear. Is this a symptom of a bad amplifier stage?

tpwr (dB)

pw90 (us)

60

5.70

57

7.77

54

10.99

51

17.20

48

31.61

45

46.80

42

73.12

39

125.19

36

192.57


Thanks,

Robert Harker
Engineer
University of Florida
Dept. of Chemistry
Center for Nuclear Magnetic Resonance Spectroscopy<https://nmr.chem.ufl.edu/>
125 Buckman Drive - CLB106 (office)
126 Sisler Hall - (shipping)
M/S 82
box 117200
Gainesville, Florida 32611-7200
cell: 352-328-5862
Ph. 352-392-4650
Received on Thu Nov 05 2020 - 10:03:08 MST

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