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In this paper, we present a modified topology to reduce influence degree of the device parameters on the circuit performances. In addition, the larger VCO gain (KVCO) brings about the worse phase noise . Hence, the topology of switching capacitor is used to enhance the characteristics of phase noise by dividing the wanted frequency band into four sections.
Microwave Conference, 2008. APMC 2008. Asia-Pacific
Date of Conference: 16-20 Dec. 2008