Sine wave generator utilizing variable encoding for different frequency signals
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United States of America Patent
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Jul 26, 1994
Grant Date -
N/A
app pub date -
Dec 1, 1992
filing date -
Dec 1, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for converting digital data to sine waves of differing frequency for networking computers. The sine waves are synthesized using variable encoding. The data is shifted through registers at a multiple of the data rate with the state of the stages of the register monitored to locate the zero-crossing of the sine wave. The state of the register stages is supplied to a series of multiplexers and resistors to generate the segments used to synthesize the sine waves. The data is monitored to derive a signal supplied to the multiplexers to determine the encoding pattern for each bit cell of data.
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