Waveform generating circuit and spread spectrum clock generator
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United States of America Patent
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Apr 8, 2008
Grant Date -
Jan 11, 2007
app pub date -
Dec 14, 2005
filing date -
Dec 15, 2004
priority date (Note) -
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Abstract
A waveform generating circuit is provided which generates a modified triangular wave signal suitable for being input to a frequency modulation circuit such as a voltage-controlled oscillator (VCO). The waveform generating circuit includes a triangular generator, an offset generator for generating first and second offset component signals, a combiner for adding the triangular wave signal generated by the triangular wave generator and the offset component signals, and an output for delivering an output signal resulting from the addition by the combiner.
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