| 摘要 |
A communication system by radio waves with frequency modulation, comprising: a signal processing unit (120), a transmission stage (110), a modulator (130) connected between the processing unit (120) and the transmission stage (110), and means (170, 173) for providing a frequency reference signal to the transmission stage (110) and to the modulator (130). According to the invention, said means for providing the first and the second frequency reference signal comprise a single local oscillator (174). Application: mobile telephones.
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