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Data Transfer
About Waveform and Pattern Files
Guidelines for using files
2-106
To output a wave form you can load both the Waveform and Pattern file. When
you load a Waveform file, it is converted and stored to waveform memory with 8
bit digital patterns.
The instrument stores data in the Pattern file to waveform memory without
conversion.
The difference between these two files is the internal format and the editor. The
Waveform file format is composed of a 4-byte Little Endian format specified in
IEEE488.2 floating point numbers, and 1-byte of marker data (see page 2–107
for format details). The Pattern file format is composed of 2-bytes, including
data and markers (see page 2–108 for format details).
Following are some guidelines for choosing either the Waveform file or Pattern
file to ouput waveforms.
H Select a Pattern file to shorten the transfer time when you do not need to
perform further edits or operations in the instrument. Although both files are
the same data length, the volume of the Pattern file is always less than the
volume of the Waveform file.
H Use a Waveform file when you use waveform data to generate another
waveform with a mathematical operation. The Waveform file format retains
the data precision required for mathematical operations.
For more details about file formats, refer to Data Transfer section in one of these
manuals:
AWG710 Arbitrary Waveform Generator User Manual.
AWG710 Arbitrary Waveform Generator Programmer Manual
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