B&K Precision 4078 - Manual - Manual (Page 21)

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.
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:
offset
value s po data setting p p Amplitude
voltage output
+
⋅ −
=
16382
int
Where 16382 is the total data point value range in waveform memory.
Examples
F3:OFST - Selects the Offset parameter. 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.
F2:SYM - When the Square or Triangle waveforms are selected, the SYMMETRY option is available. Change
the symmetry by using the cursor keys, rotary dial or numerical keypad. If a certain setting cannot be
produced, the waveform generator will display a warning message.
Triangle Menu
F4: INTREF/EXTREF - Selects internal or external reference source for the generated standard waveforms
(the external reference must be connected to the rear panel Ref In connector).
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)
9 Vp-p -4095
-4.5 V
4 Vp-p -8191
-2 V