| 摘要 |
An integrated circuit inductor comprises a spiral pattern disposed upon a substrate. The track of the spiral designed is divided into multiple tracks to form a multi-track-inductor. The individual tracks are disposed side by side and in different layers. Tracks that are aligned vertically are coupled by feed throughs, or vias. Multiple vias are used along the length of each of the multiple tracks. Tracks disposed in the same layer are joined together at their beginning and at their termination. A pattern shield fabricated from conductive fingers of n+saliceded material separated by non conducting polysilicon filling the gaps between the fingers. The conductive fingers are coupled together in groups, which are in turn tied to a single point ground. In tying the groups together a gap in the conducting path is provided to prevent group loop currents. The shield is disposed between the multi-track inductor and the substrate. An integrated filter comprising a substrate and a switched capacitor disposed on the substrate and an integrated circuit inductor disposed on the substrate and coupled to the capacitor to provide a filter structure. <IMAGE> |
