Oscillator calibrated to a microelectromechanical system (MEMS) resonator-based oscilator

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United States of America Patent

PATENT NO 12095471
APP PUB NO 20240113717A1
SERIAL NO

17936505

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Abstract

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A clock circuit includes a voltage-controlled oscillator (VCO) having a control input and a first clock output. The clock circuit includes a frequency-locked loop (FLL) having an FLL input and a control output, the control output coupled to the control input. A microelectromechanical system (MEMS) resonator-based oscillator has a second clock output. A multiplexer has a first multiplexer input, a second multiplexer input, a selection input, and a multiplexer output. The first multiplexer input is coupled to the first clock output. The second multiplexer input is coupled to the second clock output. The multiplexer output is coupled to the FLL input.

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Patent Owner(s)

Patent OwnerAddress
TEXAS INSTRUMENTS INCORPORATED12500 TI BOULEVARD MS 3999 DALLAS TX 75243

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bahr, Bichoy Allen, US 60 97
Ramadass, Yogesh San Jose, US 19 71

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