Teledyne LeCroy ArbStudio - Manual (Page 61)

Operator’s Manual
922244-00 Rev A 53
B
S
EGMENT
A Segment contains one or more Components, all of the same length,
combined by means of the elementary Add, Subtract, Multiply, Divide
operations.
C
OMPONENT
A Component is the basic element for the construction of a Segment. Each
Component may be represented by a standard waveform (DC Level, Sine,
Cosine, Exponential, Triangle, Rectangle, Ramp, Pulse, Sync, Sawtooth,
Sweep), by a Formula, or its component samples can be loaded from a text
file.
In any case, the samples of a Component are calculated/loaded as a
function of the ArbStudio frequency (sample rate) and of the length of the
component itself (number of points).
T
HE
W
AVEFORM
E
DITOR
/ C
ARRIER
E
DITOR
Edit waveforms generated by ArbStudio using the Waveform Editor tool.
Depending on Arbitrary or DDS project type mode, edited waveforms
acquire different meanings.

Arbitrary - Edited waveforms can be generated as they have been
set. edited waveforms represent the signal carriers in case of
amplitude modulation.

DDS - Edited waveforms may only represent a period of the signal
carrier.
Think of a waveform as a list of segments, where each segment can be
positioned any way within the list and repeated as necessary. Consider the
following when selecting detailed analysis.

Each waveform may be constituted by an arbitrary number of
segments and each segment can be repeated an arbitrary number of
times.

The maximum number of samples for all waveforms is fixed in
Arbitrary Mode (2.097.152 samples 2M option). In DDS mode, the
maximum number is 2048 samples.

Each waveform must be constituted by an even number of samples
≥8. Each segment may have an even or an odd number of samples.

In Arbitrary mode an arbitrary number of waveforms can exist.
Unlike DDS mode, Arbitrary allows the number of edited waveforms