Auto-compensation for control voltage range of vco at low power supply

[0015]Hereinafter, the present disclosure will be discussed with reference to a plurality of embodiments. It should be understood that discussion of these embodiments is to enable a person of normal skill in the art to better understand and thereby implement the present disclosure, not implying any limitation to the scope of the present disclosure.

[0016]As used herein, the phrase “include(s)” and its variants shall be interpreted as an open term meaning “including but not limited to.” The phrase “based on” shall be interpreted as “at least partially based on.” The phrase “an embodiment” or “one embodiment” shall be interpreted as “at least one embodiment.” The phrase “another embodiment” shall be interpreted as “at least one other embodiment.” The phrases like “first” and “second” may refer to different or the same objects. The phrase “variation direction” shall be interpreted as direction of variation comprised of direction of increasing and direction of decreasing. Other definitions