Voltage control oscillator capable of adjusting a frequency and method thereof

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United States of America Patent

APP PUB NO 20040124932A1
SERIAL NO

10734287

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Abstract

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A voltage control oscillating apparatus capable of automatically adjusting a oscillating frequency, comprising: a plurality of serial-coupled voltage control delay lines (VCDL) for outputting a plurality of oscillating signals respectively according to a voltage control signal, each of the oscillating signals is corresponding to a oscillating frequency; a multiplexer coupled to the VCDL for selecting one of the oscillating signals to be an output oscillating signal according to a control signal; a frequency detector coupled to the multiplexer for outputting a detecting signal according to the output oscillating signal; and a controller coupled to the frequency detector for outputting the control signal to the multiplexer according to the detecting signal.

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Patent Owner(s)

Patent OwnerAddress
REALTEK SEMICONDUCTOR CORP2 INNOVATION RD II SCIENCE PARK HSINCHU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lu, Chao-Hsin Da-Yuan Shiang, TW 29 110

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