JEOL JNM-ECA Series User Manual page 28

Solid measurement
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3 SETTING OF INSTRUMENT CONDITIONS
9.
Click the Sumit button.
The pulse occurs, and the measurement starts.
When the measurement is completed, the nD Processor window automatically
opens.
10.
Perform data processing.
After data processing, the result is displayed by selecting the Linearize.
11.
Find the 360° pulse width.
In the spectrum after the Linearize processing, the pulse width where the signal in-
tensity is nearest to 0 (zero) is the 360° pulse width. Furthermore, for longer pulse
widths, the peaks should be positive.
12.
Obtain the 90° pulse width as one fourth of the 360° pulse width you found.
■ Measuring the pulse width of the irradiation channel
For the same frequency, the spectrometer is adjusted so that the pulse width does not dif-
fer in the observation channel and the irradiation channel. Therefore, it is not necessary to
measure the pulse width of the irradiation channel.
3-6
Refer to the user's manual "Data processing" for instruction on processing the
data obtained by the array measurement.
Fig. 3.4 Spectrum after carrying out Linearize processing
NMECAXS_V50-SLD-2

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