METHOD AND SYSTEM FOR TUNING AN ANTENNA

摘要

Method and system for tuning a tunable antenna uses a comparison between a signal response at two different tuning frequencies (Sl, S2) to determine how or if the tuning needs to be further adjusted. With the approach, the method and system arrive at a frequency shift that is centered about the desired antenna frequency (30), at which point there is no net change in the signal response. In a further aspect, a frequency to which a tuned antenna is tuned is shifted to verify whether the antenna is still in tune. Modifications to minimize disturbance of the output received signal (such as a television signal) that would otherwise be caused by the frequency shifting are contemplated.