Rigol DM3063 User Manual page 68

RIGOL
4. dBm Measurement
This function applies to AC voltage and DC voltage measurements only.
The dBm function is logarithmic, and is based on a calculation of power delivered to
a reference resistance, relative to 1 milliwatt.
Press dBm , enter the menu shown below:
Table 2-14 dB Measurement Function Menu Function Explanation
Function Menu
Default
The computation method of the dBm:
dBm = 10 x Log [ (Reading
10
R expressed measuring the resistance value in the actual electric circuit.
REF
2-18
Figure 2-17
Explanation
Use the default value.
Save all changes, back to a higher level menu.
2
/ R ) / 0.001W ]
REF
© Copyright RIGOL Technologies, Inc. 2007.
User Manual for DM3000 Series