Agilent Technologies E5022A Operation Manual page 169

Hard disk read/write test system
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VEE Measurement Program Operation
Measurement
Ch Quality Meas.
[Optimize] > [Sequence Setup] (When Optimize Sequence is Standard)
When "Optimize Sequence" is set to standard, the following optimization parameters
can be set up:
Initialize
Prec. Delay Coarse
Low Pass Filter
Prec. Delay Fine
FIR Filter
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click this button. Consequently, the
corresponding selected parameters in this
menu will be shown automatically in the
sequence setup frame.
Selects the sequence type of the channel
quality measurement.
Specifies the initialization of registers to a
given value before executing the optimization.
Optimizes the precompensation delay to
reduce magnetic non-linearity effects. This
parameter precompensates one preceding bit
of the data pattern. Refer to "Precompensation
Setting Menu" to set the parameters.
Optimizes the low-pass filter. If [ON] is
selected, the boost gain, cut-off frequency and
group delay are operated at optimum
performance.
Optimizes the precompensation delay to
reduce magnetic non-linearity effects. This
parameter precompensates two preceding bits
of the data pattern. Refer to "Precompensation
Setting Menu" to set the parameters.
Optimizes the FIR Filter's tap coefficient for
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