Dbm measurement – RIGOL M300 User Manual
Page 65

RIGOL
© 2007 RIGOL Technologies, Inc.
User’s Guide for DM3000 Series
2-17
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, the display shows:
Figure 2- 14 dBm Measurement
Table 2- 14 dB Measurement Function Menu Function Description
Function
Menu
Description
Default
Use the default value.
Save all changes, back to a higher level menu.
The computation method of the dBm:
dBm = 10 x Log
10
[ (Reading
2
/ R
REF
) / 0.001W ]
R
REF
expressed measuring the resistance value in the actual electric circuit.
See also other documents in the category RIGOL Measuring instruments:
- DS1000E (2 pages)
- DS1000E (2 pages)
- DS1000E (2 pages)
- MSO/DS4000 Series (2 pages)
- MSO/DS4000 Series (63 pages)
- MSO/DS4000 Series (45 pages)
- DS6000 Series (79 pages)
- MSO/DS4000 Series (42 pages)
- MSO/DS1000Z Series (2 pages)
- MSO/DS4000 Series (44 pages)
- MSO/DS1000Z Series (12 pages)
- MSO/DS4000 Series (66 pages)
- MSO/DS4000 Series (49 pages)
- DS6000 Series (280 pages)
- DS1000B (9 pages)
- DS1000B (152 pages)
- DS1000E (36 pages)
- DS1000B (166 pages)
- DS1000E (10 pages)
- DS1000E (137 pages)
- DS1000E (166 pages)
- MSO/DS4000 Series (16 pages)
- MSO/DS4000 Series (68 pages)
- MSO/DS2000A Series (2 pages)
- MSO/DS2000A Series (77 pages)
- MSO/DS2000A Series (317 pages)
- MSO/DS1000Z Series (72 pages)
- MSO/DS1000Z Series (8 pages)
- MSO/DS1000Z Series (270 pages)
- M300 (66 pages)
- M300 (169 pages)
- DM3058E (138 pages)
- DM3058E (47 pages)
- M300 (10 pages)
- DM3058E (192 pages)
- M300 (89 pages)
- DSA1030 (12 pages)
- DSA1030 (2 pages)
- DSA1030 (18 pages)
- DSA1030 (2 pages)
- DSA1030 (1 page)
- DSA1030 (2 pages)
- DSA1030 (5 pages)
- DSA1030 (67 pages)