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Article: Taiwanese Inventors Develop Frequency Shift Keying System Voltage Controlled Oscillator
- Article from:
- US Fed News Service, Including US State News
- Article date:
- June 23, 2008
CopyrightCopyright © HT Media Ltd. All Rights Reserved. Provided by ProQuest LLC. (Hide copyright information)
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ALEXANDRIA, Va., June 23 -- Yung-Lung Chen and Fan-Chung Lee, both of Taipei, Taiwan, Yuan-Tung Peng of Hsinchu, Taiwan, and Yih-Min Tu of Hualien, Taiwan, have developed a voltage controlled oscillator (VCO).
According to the U.S. Patent & Trademark Office, the invention relates to a "VCO, suitable for use in a frequency shift keying system. The VCO device comprises a switching varactor unit, having a first terminal and a second terminal, wherein the switching varactor unit produces a capacitance, according to a frequency-selection voltage. A VCO core has a first output terminal, a second output terminal complementary to the first output terminal, and an input terminal. Wherein, the ...
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