VARAINDUCTOR HAVING A SPIRAL INDUCTOR VOLTAGE CONTROLLED OSCILLATOR INCLUDING THE VARAINDUCTOR AND PHASE LOCKED LOOP INCLUDING THE VARAINDUCTOR

摘要

The variable inductor includes a spiral inductor to the above, the substrate comprises a ring portion. The variable inductor, including surrounding at least the ring part of the spiral inductor, the more the flow ring of the substrate disposed between the ground ring ring, and the spiral inductor and the ground of the substrate. The variable inductor further comprises an array of switches is configured so as to selectively connect the ground ring to the flow ring.