Anritsu MX269018A - Page 107

3.5 Audio Generator Function
3-65
3
Measurement
AF Output Unit
■
Summary
Sets the AF signal output unit.
■
Options
mV Sets the unit to mV.
V

Sets the unit to V.
dBm

Sets the unit to dBm.
The below table shows the waveform signal units corresponding to
the AF output units.
Table 3.5.1-1 Waveform Signal Unit Corresponding to AF Output Unit
AF Output Unit
Waveform
Tones Tone+DCS Noise DTMF
mV mVrms mVp mVrms mVp
V Vrms Vp Vrms Vp
dBm dBm mVp dBm mVp
Note:
Relationship between AF Output Unit and Output Level Display
dBm: Display Termination Power
mV, V: Display Open Circuit Voltage
Figure 3.5.1-2 Relationship between Termination Power and Open Circuit Voltage
(Output Impedance: At Unbalanced 600 Ω)
Termination Power
Display: 0 dBm
Open Circuit Voltage
Display: 1.55 Vrms
600 Ω
600 Ω
DUT
Audio Generator function
Finds power from half of open circuit
voltage display (partial voltage at
termination resistance (600 Ω)).
󰇛
1.55Vrms 2
⁄󰇜

600Ω
1
0dBm