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THE DUAL-BAND VOLTAGE CONTROLLED OSCILLATOR USING BIAS SWITCHING AND MULTIPLEXING OF OUTPUT BUFFER
THE DUAL-BAND VOLTAGE CONTROLLED OSCILLATOR USING BIAS SWITCHING AND MULTIPLEXING OF OUTPUT BUFFER
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机译:利用输出缓冲器的偏置切换和多重化的双频电压控制振荡器
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摘要
Disclosed is a dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing. The dual-band voltage-controlled oscillator includes a power supply unit for supplying a source voltage; plural voltage-controlled oscillation units for outputting different oscillation frequencies according to controls of a certain tuning voltage; plural bias units for generating driving voltages for driving the voltage-controlled oscillation units and supplying the driving voltages to the voltage-controlled oscillation units; and plural buffers for selectively outputting oscillation frequencies of the plural voltage-controlled oscillation units. The present invention implements the dual-band voltage-controlled oscillator through bias switching and output-buffer multiplexing, which brings an advantage of elimination of interference between output frequencies to enhance phase noise characteristics.
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