
Conserving Memory
If you are concerned about conserving memory, either internal memory or external disk space,
some of the most memory-intensive operations include:
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two-port error correction
interpolated error correction
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1601 measurement points
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using time domain
saving data arrays and graphics with the instrument state
Using Saved Calibration Sets
When you are saving to internal memory (CMOS, non-volatile memory), calibration sets are
linked to the instrument state and measurement parameter for which the calibration was
done. Therefore a saved calibration can be used for multiple instrument states as long as the
measurement parameter, frequency range, and number of points are the same. A full
calibration is valid for any S-parameter measurement with the same frequency range and
number of points When an instrument state is deleted from memory, the associated calibration
set is also deleted if it is unused by any other state.
The following hints will help you avoid potential problems:
If a measurement is saved with calibration and interpolated calibration on, it will be restored
with interpolated calibration on.
A calibration stored from one instrument and recalled by a different one will be invalid. lb
ensure maximum accuracy, always recalibrate in these circumstances.
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No record is kept in memory of the temperature when a calibration set was stored.
Instrument characteristics change as a function of temperature, and a calibration stored at
one temperature may be inaccurate if recalled and used at a different temperature. See
Chapter 7, “Specifications and Measurement Uncertainties,” for allowable temperature ranges
for individual
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The HP 8753E can read disk
created by the HP
and the HP
can
read
created by the HP 8753E. A disk translator is available to make HP
disk
compatible with HP
These
can then be read by the HP 8753E. Contact
your local Hewlett-Packard Sales and Service Office for a copy of this disk translator.
Preset State and Memory Allocation
Содержание HP 8753E
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