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5.Menu Interpretation
40
in display mode.
5.6.3.6 [Return]
Return to the previous menu.
5.7 【Detector】
While displaying a wider span, each pixel contains spectrum
information associated with a larger subrange. That is, several
samples may fall on one pixel. Which of the samples will be
represented by the pixel depends on the selected detector type.
Press this key to pop out the relevant menu includes [Pos Peak],
[Neg Peak], [Normal], [Sample], [RMS Avg], [Voltage Avg],
[Quasi-Peak].
Key points:
⚫ Selects an appropriate type according to the application in order
to ensure the accuracy of the measurement for your application.
⚫ When 【BW/AVG】→[EMI Filter►]→[EMI Filter] is On,
[Quasi-Peak] is available.
Table 10-1 Detector type comparison
Detector
Type
Measurement
Pos Peak
Positive peak detector ensures that no peak
signal is missed, which is useful for
measuring signals that are very close to the
base noise.
Neg Peak
Negative peak detector is used in most
cases with the self-test of the spectrum
analyzer and is rarely used in the
measurement. It is able to restore the
modulation envelope of the AM signal well.
Normal
Display pos peak and neg peak alternately
when noise is detected, or it only display pos
peak.
Sample
Sampling detector is conducive to
measurement noise signal. Compared with
the standard detection method, it can
measure noise better.
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