US Patent 7642872 Low cost and low variation oscillator
Patent 7642872 was granted and assigned to Atmel Corporation on January, 2010 by the United States Patent and Trademark Office.
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An oscillator circuit for use in integrated circuits. The oscillator circuit includes a delay generation circuit having a current mirror with at least a first current mirror branch and a second current mirror branch, a current source coupled to the first current mirror branch, a capacitive element coupled to the first current mirror branch; and a resistive element coupled to the second current mirror branch. The oscillator circuit further includes a plurality of inverting elements coupled in series with one another and a transconducting element coupled to an output of the plurality of inverting elements. The transconducting element is configured to discharge the capacitive element. A latching element is coupled to latch to an output signal of the plurality of inverting elements.
US Patent 07642872 Low cost and low variation oscillator US Patent 7642872 Low cost and low variation oscillator
US Patent 07642872 Low cost and low variation oscillator
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