METHOD AND APPARATUS FOR REDUCING AUDIO BAND NOISE IN A PERIODIC WAVE SIGNAL
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Apr 15, 2014
filing date -
Jan 25, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A triangular waveform generator includes a square waveform clock circuit and an integrating circuit. The integration circuit receives input from the square waveform clock circuit and generates a triangular waveform output. A feedback circuit is operatively connected to the integrating circuit to reduce the audio band noise content in the triangular waveform output. The feedback circuit acts as a DC balance without significant sacrifice in the linearity of the triangular waveform output.
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