AN-1059 SOS Emergency signal generator

SOS is the international Morse code distress signal (• • • – – – • • •) which became the worldwide standard by 1908. While it has since been replaced by the Global Maritime Distress and Safety System, SOS is still widely recognized as a visual distress signal. This application note describes how to generate the SOS signal using GreenPAK. This design can be described as a simple digital pattern generator.


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