COMMUNICATION DEVICE AND METHOD FOR CALIBRATING AN OSCILLATOR
First Claim
Patent Images
1. A communication device, comprising:
- an oscillator configured to provide a frequency signal;
a first transceiver circuit;
a second transceiver circuit configured to transmit and receive signals based on the frequency signal; and
a calibration circuit configured to generate a calibration signal representing the carrier frequency of a signal received by the first transceiver circuit and to calibrate the oscillator based on the calibration signal.
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Abstract
According to one embodiment, a communication device is described including an oscillator configured to provide a frequency signal, a first transceiver circuit, a second transceiver circuit configured to transmit and receive signals based on the frequency signal and a calibration circuit configured to generate a calibration signal representing the carrier frequency of a signal received by the first transceiver circuit and to calibrate the oscillator based on the calibration signal.
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Citations
23 Claims
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1. A communication device, comprising:
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an oscillator configured to provide a frequency signal; a first transceiver circuit; a second transceiver circuit configured to transmit and receive signals based on the frequency signal; and a calibration circuit configured to generate a calibration signal representing the carrier frequency of a signal received by the first transceiver circuit and to calibrate the oscillator based on the calibration signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for calibrating an oscillator, the method comprising:
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receiving a signal by a first transceiver circuit; generating a calibration signal representing the carrier frequency of the received signal; calibrating an oscillator based on the calibration signal; and transmitting and receiving signals by a second transceiver circuit based on a frequency signal output by the oscillator.
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Specification