Abstract
The novel topology of the CMOS ring oscillator array is proposed, where the array elements are braided. Compared with the conventional topology of the CMOS ring oscillator array, the proposed oscillator array possesses the nature of the tight and bi-directional connections, and will has the possibility of the phase noise performance improvement. To verify the performance improvement of the proposed oscillator array, using 0.18μmCMOS process models, the circuit simulations are performed. Simulated results show the FOM of the proposed oscillator array is superior than the conventional oscillator array.
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