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E

ERROR LIMITS
The limits for possible measurement errors.

The frequency error limits are basically dependent on the following factors:

• Accuracy of the crystal-controlled timebase
• Long-term stability (drift)

The level error limits are basically dependent on the following factors:

• Device adjustment and calibration
• Thermal characteristics
• Aging
• Measurement port mismatch
• Frequency response

EXTERNAL ATTENUATOR, EXTERNAL ATTENUATION
This parameter offers advanced spectral analyzers the possibility to correct the measurement results automatically by the attenuation of a preconnected adapter (attenuator, probe, coupler, preamplifier, impedance matching pads, etc.). Example: When displaying the amplitude results of the markers the corresponding value will be automatically taken into consideration.

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