Rigol DSA800E Series, User Manual

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RIGOL Chapter 2 Front Panel Operation
User’s Guide for DSA800E Series
2-68
Table 2-44 Average Number for C/N Ratio Measurement
Parameter Description
Default 10
Range 1 to 1000
Unit N/A
Knob Step 1
Arrow Key Step 1
2. Avg Mode
Set the average operation mode to "Exp" or "Repeat" and the default is "Exp".

When "Exp" is selected, the result is the exponential average of the
current
N ( N is specified in " Avg Num ") measurement results.

When "Repeat" is selected, the result is the arithmetic average of the
current
N ( N is specified in " Avg Num ") measurement results.
3. Offset Freq
Set the difference between the carrier center frequency and the noise center
frequency. You can use the numeric keys, the knob, or the arrow keys to
modify the parameter.
Table 2-45 Frequency Offset for C/N Ratio Measurement
Parameter Description
Default 2 MHz
Range 33 Hz to 2.5 GHz
Unit GHz, MHz, kHz, Hz
Knob Step
Offset Frequency/100, the
minimum is 1Hz
Arrow Key Step in 1-1.5-2-3-5-7.5 sequence
4. Noise BW
Set the bandwidth of the noise to be measured. You can use the numeric keys,
the knob, or the arrow keys to modify the parameter.
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