200GHz CMOS prescalers with extended dividing range via time-interleaved dual injection locking
01 January 2010
An unique time-interleaved dual injection locking scheme has been devised to enable ultra high-speed and low-power frequency division with extended frequency locking range. To prove the concept, two frequency dividers (or prescalers) have been realized in 65nm digital CMOS: one divides continuously from 158GHz to 195GHz (or 21% locking range) with input signal