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Dipulse Extraction (NLTS)
The Dipulse Extraction (NLTS) is measured by an oscilloscope. If an oscilloscope is not
installed in the system, this measurement can not be measured
1. To open the Dipulse Extraction menu, click on the [Dipulse Extraction] button from the
NLTS frame of the Measure menu. Also refer to the "Pattern Configuration Menu" on
page 57
Figure 3-98
Dipulse Extraction Menu
NOTE
Before you execute this measurement, you should set an appropriate input range or execute
the Auto Configuration to set the input range automatically.
2. Set the parameters, click on each button to enter a new value.
Channel Bit Rate
Write Current
Sense Current
Oversample Rate
Average
Chapter 3
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to set the precompensation delay pattern.
VEE Measurement Program Operation
Specifies the speed at which data bits are
written on the media per second [bps].
Specifies the current applied to the write head.
Specifies the current applied to the read head.
Specifies the sampling rate for the
oscilloscope. The sampling clock of the
oscilloscope is set to a value of (channel bit
rate) x (oversample rate) or higher.
Specifies the number of revolutions for
measurement to be averaged. See the
"hpe5022_wave Average" function in the
programming manual.
Measurement
149
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