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Sequenced
Waveforms
The sequence generator is a very powerful tool that lets you link
and loop segments in any way you desire. The Model 2074 has two
separate sequence generators – one for each channel. Each
sequence generator is dedicated to its own channel.
The sequence circuit is useful for generating long waveforms with
repeated sections. The repeated waveform has to be programmed
once and the repeater will loop on this segment as many times as
selected. When in sequenced mode, there is no time gap between
linked or looped segments. Sequence tables must be loaded to the
generator before sequenced waveforms can be generated. The
data for the sequence table is first prepared on an external platform,
then downloaded to the generator.
As a simple example of a sequenced waveform, look at Figures 1-
12 through 1-14. The waveforms shown in these figures were
placed in memory segments 1, 2 and 3, respectively. The sequence
generator takes these three waveforms links and loops them in a
predefined order to generate the waveform shown in Figure 1-15.
Figure 1 -12, Segment 1 Waveform – Sinc
Figure 1 -13, Segment 2 Waveform - Sine
1-23
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