Rigol DM3058

RIGOL
User’s Guide for DM3058
3-5
Example 4: dB Measurement
Operating Steps:
Method1：
Measure dBm, dBm
1
and dBm
2
existing in two circuits separately refers to Example
3, and then dB could be got:
dB = |dBm
1
-dBm
2
|
Method2：
1. Connecting the red lead (Test leads) to Terminal Input-HI (tested circuit) and
black lead to Terminal Input-LO.
2. Press button to start AC Voltage Measurement and choose an appropriate
voltage range.
3. Set parameters of dB operation
Figure 3-7 Set the set value of dB
4. Press  ON to open dB measurement function. At this time, the reading
shown on the screen is the Power difference between two circuits.
Figure 3-8 Operation result