New low-power GHz-range resonance-ring ICO/VCO

The proposed new monolithic ring-oscillator-core is faster and requires less voltage and power supply for developing twice the amplitude at higher frequencies. Also it has a simpler control than the existing ones. Based on a 0.8 /spl mu/m BiCMOS technology (17 GHz NPN) and also widely using low-Q inductors on silicon, the proposed resonance ring ICO/VCO develops 3/spl times/9 GHz with 800 mV amplitude, from only 1.2 volt and 5.4 mW, with a control ability of 100 MHz/mA. It is suitable for very-high-speed communication and computer applications.

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