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SIGLENT
54 User Manual
3. Span
Set the frequency range of the channel. This span which is the same with the span of the analyzer is
the frequency range of the sweep. Modifying this parameter will change the span of the analyzer.
The channel power span is related to the integration bandwidth.
Table 2-35 Channel Power Span for Chan Power Measurement
Parameter
Explanation
Default
current span
Range
100 Hz ~ Span
Unit
GHz, MHz, kHz, Hz
Knob Step
Channel Power Span/100, the minimum is 1Hz
Direction Key Step
In 1-1.5-2-3-5-7.5 sequence
4. Span Power
Set the integrated bandwidth to the sweep span of display. The channel power and power spectral
density display on the screen simultaneously.
2.4.2.3 ACPR
Figure 2-16 ACPR
Measurement Results: Main CH Power, Left channel power and Right channel power.
● Main CH Power: Displays the power within the bandwidth of the main power
● Left channel power : Displays the power of left channel and the power difference between the left
channel and the main channel (in dBc)
● Right channel power: Display the power of the right channel and the power difference between the
right channel and the main channel(in dBc)
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