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AD INSTRUMENTS
Set Amplitude
The amplitude setting range is limited by the "Attenuation" and "Frequency"
settings. Please refer to "Output Characteristics" in "Specifications". The
default value is 5Vpp.
Press AMPL button to highlight amplitude value. Then use Arrows button
and ADJ Knob to set the value. Press Arrows button to move the cursor and rotate
ADJ Knob to set the value.
Key Points：
1．What's the difference of amplitude in Vpp and the corresponding value in
Vrms?
Answer:
Vpp is the unit for signal peak-peak value and Vrms is the unit for signal effective value.
The default unit is Vpp.
Note：
For different waveforms, the relation between Vpp and Vrms is different. The
relation of the two units is as shown in the figure below (take sine waveform as
an example).
According to the figure above, the conversion relation between Vpp and Vrms
fulfills the following equation:
For example, if the current amplitude is 5Vpp, For sine waveform, the converted
value is 1.768Vrms.
18
Vpp = 2
2
Vrms
AD8660 Series User's Manual
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