Operating basics
SetupLoadImp
edance
The output impedance of the AFG3000 series is 50 Ω. If you connect a load other
than 50 Ω, the displayed Amplitude, Offset, and High/Low values are different
from the outp
ut voltage. To make the displayed values same as output voltage,
you need to set load impedance. To set the load impedance, use the Output menu.
1. Push the front-panel Top
Menu button, and then
push the Output Menu
bezel button. The Output
Menu is displayed.
2. Push Load Impedance
to display the Load
Impedance submenu.
3. To adjust the load
impedance, select Load.
4. You can set the load
impedance to any value
from 1 Ω to 10 kΩ.
5. When the load
impedance is set to
other than 50 Ω,theset
value is displayed in the
output status.
Quick
Tips
The load impedance is applied to the amplitude, offset, and high/low level
settings.
When dBm is specified for output amplitude units, the amplitude units setting
is automatically changed to Vpp if you select high impedance.
68 AFG3000 and AFG3000C Series User Manual
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