Agilent Technologies HP 8642A/B Especificaciones Pagina 160

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Considerations When Using the Current Detector
Constant
User entry is potentially the least accurate method for determine the
Detector Constant.
This calibration method does not verify the accuracy of the Detector
Constant. It relies strictly on the user to ensure the validity of the Detector
Constant being used. (Keep in mind that the accuracy of the Detector
Constant relates directly to the accuracy of the measurement. A Detector
Constant accurate to within ±1 dB will guarantee a measurement accuracy
of ±2 dB.)
An accuracy degradation may be acceptable when only the relative shape
of a device's noise characteristics is important rather than the absolute
noise level. In this case, only a crude approximation of the Detector
Constant is necessary.
2-92 Calibr Process: AM Noise
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