Agilent Technologies HP 70910A Podręcznik Użytkownika Strona 84

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84 Chapter 3
Operation
Using an E4407B Spectrum Analyzer or 7405A EMC Analyzer
Operation
Manually Entering Conversion-Loss Data
1. Press
AMPLITUDE Y Scale, More, Corrections. Select a correction set for use with external
mixing. The recommended set to use is
Other although any available set could be used.
NOTE To correct for the conversion-loss of the harmonic mixer in use, the analyzer
amplitude correction feature is used.
2. Press
Edit to enter the appropriate conversion loss data for the mixer in use. These
values are listed on the mixer, or a calibration sheet that is supplied with the mixer.
More correction points entered across the band in use will improve frequency response
accuracy. Up to 200 points may be defined for each set.
3. Once the desired correction points are entered, press
Return, Correction (On) to activate
correction set
Other. This will also turn corrections on resulting in a calibrated display.
It is recommended that the correction set entered be saved on the internal memory or
the floppy drive for future reference. See the ESA Users and Programmers Reference
guide for information on saving correction values.
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