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SIGLENT
50 User Manual
2.4 Measurement
2.4.1 Meas
Provide optional measurement functions. When activated, the screen will be divided into two parts. The
above part is the measure screen which displays traces, and the other part is used to display
measurement results.
2.4.1.1 Reflection
Measure the DUT scalar s parameter. In this time, the spectrum analyzer automatically turns on TG.
After selecting the measurement type as "reflection measurement", press Meas Setup to set the
relevant parameters.
2.4.1.2 Channel Power
Measure the power and power density within the specified channel bandwidth. When this function is
enabled, the span and resolution bandwidth are automatically adjusted to smaller values. Select
Channel Power and press Meas Setup to set the corresponding parameters.
2.4.1.3 ACPR
Measure the power of the main channel and adjacent channels as well as the power difference between
the main channel and each of the adjacent channels. When this function is enabled, the span and
resolution bandwidth of the analyzer are adjusted to smaller values automatically.
Select ACPR and press Meas Setup to set the corresponding parameters.
2.4.1.4 Occupied BW
Integrates the power within the whole span and calculates the bandwidth occupied by this power
according to the specified power ratio. The OBW function also indicates the difference (namely “Transmit
Freq Error”) between the center frequency of the channel under measurement and the center frequency
of the analyzer. Select Occupied BW and press Meas Setup to set the corresponding parameters.
2.4.1.5 T-Power
The system enters Zero span and calculates the power within the time domain. The types of powers
available include Peak, Average and RMS. Select T-Power and press Meas Setup to set the
corresponding parameters.
2.4.1.6 TOI
Automatic measurement of IP3 (Third order Intercept Point), including the power of fundamental wave
and the Third order in the power, and calculate the adjustable Intercept Point.
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