Controllable oscillating system and related method for selectively adjusting currents passing through cross-coupling driving device



A controllable oscillating system for generating a differential oscillating signal is disclosed. The controllable oscillating system includes an oscillating circuit and a current adjusting device. The oscillating circuit includes a controllable resonator, a cross-coupling driving device, and a current source. The cross-coupling driving device is coupled to the controllable resonator and utilized for driving the controllable resonator to generate the differential oscillating signal. The current source is coupled to the cross-coupling driving device and utilized for providing a first current. The current adjusting device is coupled to the cross-coupling driving device and utilized for adjusting currents passing through the cross-coupling driving device.




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Cited By (2)

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    CN-103036562-AApril 10, 2013飞思卡尔半导体公司Voltage-controlled oscillators and related systems
    CN-105409114-AMarch 16, 2016高通股份有限公司VCO with linear gain over a very wide tuning range