TUNABLE, ENERGY EFFICIENT PLL CLOCK

摘要

A Phase Lock Loop circuit (110) for providing a clock signal to an integrated IC chip. The PLL comprising a voltage tunable inductive-capacitive (LC) oscillator, a phase detector, a charge pump all coupled together to form a loop. A vco includes a varactor (150), inductor (130), and capacitances (160, 170, 180, 190, 185 and 195) forming the LC oscillator.