Patent ID: 9210516
Filing Date: 2015-12-08
Classification: B81C,H01L,H03G,H03K,H04R

Abstract:
1. A method for calibrating a packaged MEMS device, the method comprising: measuring a first capacitance of the packaged MEMS device for a first bias voltage; measuring a second capacitance of the packaged MEMS device for a second bias voltage; calculating a slope of a difference between the first bias voltage and the second bias voltage, and the first capacitance and the second capacitance; comparing the calculated slope with a target slope; setting values for a bias voltage based on comparing the calculated slope with the target slope, wherein the bias voltage is set to adjust a ΔC/ΔV slope of the MEMS device to be about equal to the target slope; and storing the values in a memory element of the packaged MEMS device.