11
- (Rate) Selects and displays the Point Rate (for Arbitrary Waveform only). The Rate
parameter governs the rate at which waveform points are executed, and thus the
frequency of the waveform output. When you set this parameter, the waveform
generator will keep that execution rate for all waveform lengths until it is changed.
F3: Ampl/Ofst
-
Selects the Amplitude or the Offset parameters.
- (Offset) Change the offset by using the cursor keys, rotary dial or numerical keypad. If
a certain setting cannot be produced, the waveform generator will display a “Setting
Conflict” message.
In Arbitrary mode, this setting defines the maximum peak-to-peak amplitude of a full-
scale waveform. If the waveform does not use the full scale of data (-8191 to +8191),
then its actual amplitude will be smaller.
Figure 3.2 - Amplitude Menu
Setting the Amplitude
The following equation represents the relative output amplitude voltage relationship
between the front-panel amplitude peak-to-peak setting and the data point values in
waveform memory:
𝑂𝑢𝑡𝑝𝑢𝑡 𝑉𝑜𝑙𝑡𝑎𝑔𝑒 =
𝐴𝑚𝑝𝑙𝑖𝑡𝑢𝑑𝑒 (𝑃𝑒𝑎𝑘 𝑡𝑜 𝑃𝑒𝑎𝑘 𝑠𝑒𝑡𝑡𝑖𝑛𝑔) × 𝑑𝑎𝑡𝑎 𝑝𝑜𝑖𝑛𝑡𝑠 𝑣𝑎𝑙𝑢𝑒
16382
+ 𝑜𝑓𝑓𝑠𝑒𝑡
Where 16382 is the total data point value range in waveform memory.
Examples
Table 3.1 - Output Voltage Examples
Front Panel
Amplitude Setting
Data Point
Value
Relative Output
Amplitude Voltage
5 Vp-p
8191
+2.5 V
5 Vp-p
4095
+1.25 V
5 Vp-p
0
0V (offset voltage)
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