PPA5xx/15xx user manual
7-11
20Arms Model
30Arms Model
The actual ranges have approximately 20% overload
(subject to noise) headroom so, for example, the 300Vpk
range has an actual peak input value of 360Vpk allowing
for the 20% headroom.
All N4L analyzers auto-range to the waveform peak, this is
vitally important as it ensures that the waveform is not
clipped unlike within traditional rms ranging power
analyzers.
The ranges may be selected manually, or by autoranging
(default). To speed up the autoranging, the start range for
autoranging may be selected if it is known that the signal
will not be below a certain level.
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