PeakTech 4105 Bedienungsanleitung Seite 94

Output Units: You can set the output amplitude in Vpp, Vrms, or dBm. Vpp is available for
all functions. For sine, square, ramp and pulse, Vrms can also be used. The output units for
amplitude can also be set to dBm if the external load is currently set to 'non High Z'.
Use the numeric keypad to enter the desired magnitude and then press the appropriate
softkey to select the units.
The convert relationship between Vrms and Vpp is s ubject to waveform, see below table:
The relationship among dBm and Vrms and Vpp is subject to waveform and load,
If waveform is sine, set 50Ωload, the convert among three output units is shown below,
Waveform
Sine
Square, Pulse
Ramp
dBm＝10×log10(P/0.001), while, P＝(Vrms)2/Load
Vpp
10.0000 Vpp
6.3246 Vpp
2.8284 Vpp
2.0000 Vpp
1.4142 Vpp
632.5 mVpp
282.9 mVpp
200.0 mVpp
10.0 mVpp
Vpp Vrms
2.828Vpp 1Vrms
2Vpp 1Vrms
3.464Vpp 1Vrms
Vrms
3.5356 Vrms
2.2361 Vrms
1.0000 Vrms
707.1 mVrms
500.0 mVrms
223.6 mVrms
100.0 mVrms
70.7 mVrms
3.5 mVrms
93
dBm
23.98 dBm
20.00 dBm
13.01 dBm
10.00 dBm
6.99 dBm
0.00 dBm
-6.99 dBm
-10.00 dBm
-36.02 dBm