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Radio circuit having a local oscillator frequency which differs from the transmit frequency or the receive frequency and mobile radio apparatus
Radio circuit having a local oscillator frequency which differs from the transmit frequency or the receive frequency and mobile radio apparatus
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机译:具有与发射频率或接收频率不同的本地振荡器频率的无线电电路和移动无线电设备
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摘要
The present invention concerns a radio circuit including a local oscillator, a first receive frequency converter, a frequency divider and a demodulator. A receive signal and an output of the local oscillator are input to the first receive frequency converter. The receive signal is converted into a first intermediate signal by the first receive frequency converter, and the first intermediate frequency signal is input to the demodulator. The output of the local oscillator is frequency-divided by the frequency divider and also input to the demodulator. The signal converted into the first intermediate frequency is demodulated into a baseband signal by the demodulator.
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