Patent ID: 6380819
Filing Date: 2002-04-30
Classification: H01P,H03H

Abstract:
A method for tuning a filter having multiple coupled resonators to achieve a specified filter response, comprising the steps of:defining a target frequency response for the filter; computing a target time domain response based on the target frequency response; generating a gating function for each of the multiple coupled resonators within the filter based on the target time domain response; applying a stimulus signal having a predefined frequency range to the filter; measuring a frequency response to the stimulus signal to provide frequency response data; computing time domain data from the frequency response data; multiplying each of the gating functions by the time domain data to provide a gated response for each of the multiple coupled resonators; computing frequency responses from the gated responses; adjusting each of the multiple coupled resonators so that a resonant frequency within the computed frequency responses is aligned to a predefined frequency.