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Hosein Zareie

Xuefeng Chen

Systems and methods are provided for generating reference signals with high interference immunity. A signal source may generate reference signals having a particular reference frequency based on characteristics of the source of the reference signals, for use in driving at least one component in a system. One or more processing may then process the generated reference signals, based on particular frequency positions relative to the particular reference frequency and other operations and/or components of the system. The processing may include filtering at the particular frequency positions. The particular frequency positions may correspond to the harmonics positions of the particular reference frequency. The signal source may be a crystal oscillator.

Crystal (xtal) oscillator with high interference immunity

Systems and methods are provided for a crystal (xtal) oscillator with high interference immunity. Generated reference signals may be processed to mitigate effects of interference. The processing may comprise filtering, particularly at harmonic positions, to remove or greatly reduce interference signals.

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Carlsbad, CA, United States of America

Hosein Zareie