Sughrue Mion, PLLC
Dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing
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.
Samsung Electronics Co., Ltd.
H H H H
H03B H03B H03B H03B
inventional inventional inventional inventional
Jinup Heung-bae Sang-yoon Seong-soo Joongho
Lim Lee Jeon Lee Choi