SYSTEM AND METHOD FOR IMPLEMENTING LOW-COST ELECTRONIC GYROSCOPES AND ACCELEROMETER

摘要

A disclosed gyroscope or accelerometer apparatus is integrated into an integrated circuit chip. The apparatus has phase locked loops (PLLs) (210, 212) formed on a substrate that generate a signal having a wavelength that is less than 10mm and greater than l00µm. The PLLs are coupled to propagation paths (202, 204) formed on the substrate with coupled sections of larger and smaller similar (e.g., circular or triangular) nested shapes. Detection circuitry (such as phase detector 218) is coupled between the different paths, with the size of path sections selected such that, when the apparatus is at rest, output signals from corresponding propagation path sections are substantially in phase.