Siglent REFL-SSA3000X Manual

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SIGLENT

SSA3000X User Manual 38

demodulations are available in this device.

2.2.8.1 Demod (AM/FM)

Set the demodulation type to AM or FM; or disable the demodulation function. The default is off.

◆ The system will enable a marker automatically, place it at the center frequency and perform AM (or

FM) demodulation on this frequency point after you enable AM (or FM) demodulation.

◆ Analyzer provides earphone jack and the demodulated signal can be output in audio frequency

(AF) mode through the earphone. The frequency and intensity of AF denotes the frequency and

amplitude of the signal respectively.

2.2.8.2 Earphone

Set the status of the earphone. When it is on, the demodulated signal can be heard through the

earphone during the demodulation. By default, it is off.

2.2.8.3 Volume

Set the volume of the earphone.

Table 2-25 Volume

Parameter

Explanation

Default

Range

0 ~ 10

Unit

N/A

Knob Step

Direction Key Step

2.2.8.4 Demod Time

Set the time for the analyzer to complete a signal demodulation after each sweep. If Earphone is set to

“On”, you will hear the demodulated signal through the earphone during the demodulation. A longer

demod dwell time would be better to demodulate audio signal.

Table 2-26 Demod time

Parameter

Explanation

Default

5 s

Range

5 ms ~ 1000 s

Unit

ks, s, ms

Knob Step

0 ms ~ 100 ms, step=1 ms；

100 ms ~ 1 s, step =10 ms；

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Siglent REFL-SSA3000X Reflect Measurement Software for SSA3000X Series Spectrum Analyzers