RIGOL DSA875 - Manual (Page 120)

RIGOL Chapter 2 Front Panel Operation
User’s Guide for DSA800 Series 2-68
C/N Ratio
Measurement Interface:
Figure 2-19 C/N Ratio Measurement Interface
Measurement Results: carrier power, noise power and C/N ratio.
 Carrier Power: power within the carrier bandwidth.
 Noise Power: power within the noise bandwidth.
 C/N Ratio: the ratio of the carrier power to the noise power.
Measurement Parameters: average number, average mode, offset frequency,
noise bandwidth and carrier bandwidth.
1. Avg Num
Specify the number of averages used when calculating the measurement
result and the default is “Off”. You can use the numeric keys, knob or direction
keys to modify this parameter.
Offset Frequency
Carrier Bandwidth
Noise Bandwidth