Rigol DM3058 Uživatelský manuál stáhnout pdf (Strana 102)

RIGOL

User’s Guide for DM3058/DM3058E

3-4

Example 3: dBm Measurement

dBm is commonly used in audio signal measurement. Next, we will show you how

to measure dBm value.

Operating Steps:

1. Press

button to start AC Voltage Measurement and choose an appropriate

voltage range.

2. Connect test leads as Figure 2-8.

3. Set parameters of dBm operation.

(1) Press  dBm to set the selective value of dBm as a reference value

within supposed circuit by using direction keys.

Figure 3-5

Select Reference resistance as measurement value

(2) Press ON to turn on dBm measurement function. At this time, the reading

shown on the screen is the Power value of reference resistance.

Figure 3-6 Operation result

1 2 ... 97 98 99 100 101 102 103 104 105 106 107 ... 137 138

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Rigol DM3058 Uživatelský manuál Strana 102