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VEE Measurement Program Operation
Measurement
PW Measurement (Parametric)
Overview
This section describes the PW measurement. The PW measurement is used to measure the
PW+ positive, PW- negative and PW asymmetry. PW is measured by the parametric
module (E5038A).
Measurement
1. To open the PW menu, click on the [PW] button from the Parametric frame of the
Procedure
Figure 3-27
PW 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.
70
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Measure menu.
Channel Bit Rate
Write Current
Sense Current
Data Pattern
Threshold
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 data pattern to be written on the
test track. To set the data pattern, click on the
[Configuration] > [Setup] > [Pattern Config]
buttons to open the menu.
Specifies the threshold level for PW
measurement.
Chapter 3
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