Outline ·Motivation Synthesizer Architecture ·Proposed Techniques >Adaptive Bandwidth Control Division-Ratio-Based AFC Technique >4/4.5 Prescaler ·Measurement Results ·Conclusions 2009 IEEE International Solid-State Circuits Conference 2009 IEEE© 2009 IEEE International Solid-State Circuits Conference © 2009 IEEE 2 Outline • Motivation • Synthesizer Architecture • Proposed Techniques ¾Adaptive Bandwidth Control ¾Division-Ratio-Based AFC Technique ¾4/4.5 Prescaler • Measurement Results • Conclusions