5Th Harmonic (Nlts) - Agilent Technologies E5035A Operation Manual

Hard disk read/write test system
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5th Harmonic (NLTS)

Overview
The 5th Harmonic (NLTS) is measured by a spectrum analyzer.
Measurement
1. To open the NLTS 5th Harmonic menu, click on the [5th Harmonic] button from NLTS
Procedure
frame of the Measure menu. Also refer to "Pattern Configuration Menu" on page 57 to
set the precompensation delay pattern.
Figure 3-99
NLTS 5Th Harmonic Menu
2. Set the parameters, click on each button to enter a new value.
Channel Bit Rate
Sense Current
Track #
Average
NOTE
The parameter values of Channel Bit Rate, Write Current and Sense Current that have been
set in the [Configuration] menu will automatically update similar parameters in this menu.
3. Click on the [Measure] button to start measurement.
The NLTS and its maximum, minimum and standard deviation values are all displayed
on the menu.
4. Click the [Return] button to return to Measure menu.
NOTE
See the "hpe5022_nlts5th_Q"function for NLTS and "hpe5022_nlts5thStatic_Q" for NLTS
Chapter 3
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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 read head.
Specifies the track number to be tested.
Specifies the number of revolutions for
measurement to be averaged. See the
"hpe5022_wave Average" function in the
programming manual.
Measurement
151

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