Circuit arrangement and signal processing device
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United States of America Patent
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Oct 5, 2010
Grant Date -
Jul 6, 2006
app pub date -
Sep 5, 2003
filing date -
Sep 20, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A circuit arrangement and signal processing device are disclosed. In one embodiment, the circuit arrangement includes a resonator circuit for generating an output signal from an input signal with a capacitance and with an inductance, with an input at which the input signal can be provided, and with an output at which the output signal can be provided. A control circuit is provided for open-loop or closed-loop control of a quality factor of the resonator circuit, the control circuit being configured to control the quality factor of the resonator circuit in an open-loop manner or in a closed-loop manner depending on a signal profile of the signal amplitude of the input signal and/or of the output signal.
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