Frequency generation with dynamic switching between closed-loop operation and open-loop operation

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United States of America Patent

PATENT NO 11533059
SERIAL NO

17361617

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Some examples relate to a frequency synthesizer. The frequency synthesizer includes an oscillator including an input terminal and an output terminal. A frequency locked-loop or phase-locked loop (FLL/PLL) unit is arranged on a feedback path extending between the output terminal of the oscillator and the input terminal of the oscillator. A switching unit is configured to selectively switch between a first mode of operation in which the feedback path is closed and the FLL/PLL unit is coupled to the input terminal of the oscillator, and a second mode of operation in which the feedback path is open and a ramping unit is coupled to the input terminal of the oscillator while the feedback path is open.

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Patent Owner(s)

  • INFINEON TECHNOLOGIES AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brandonisio, Francesco Villach, AT 3 1
Brazzo, Emanuele Villach, AT 1 0

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