Accurate PLL Characterization Using Virtuoso Spectre RF Noise ...

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6 Using Spectre RF Noise-Aware PLL Methodology to Predict PLL Behavior Accurately Introduction Spectre RF Noise-Aware PLL Flow and Non-Linear VCO Modeling Advantages of this flow versus other commercial approaches Experimental results Conclusion September 17, 2007
7 V R Spectre RF Noise-Aware PLL Simulation ADE Test Bench and Analysis PFD CP VCO V F Verilog-A – September 17, 2007 ÷ N Compute PSS-PNoise Transient Analysis Automatically generate model 50 μV/√Hz 20 μV/√Hz 10 μV/√Hz 5 μ V/√ Hz 2 μ V/ √ Hz 1 μ V/√ Hz 500 nV/√ Hz 200 nV/√ Hz 100 nV/√ Hz • • • • Automated flow for closed loop PLL noise analysis ADE test bench and analysis for all PLL blocks Automatic generation of behavioral models Spectre RF enhanced direct integration Closed Loop PLL Noise 1 kHz 10 kHz 100 kHz 1 MHz 10 MHz 100 MHz
Page 1 and 2: INVENTIVE Using Spectre RF Noise-Aw
Page 3 and 4: 3 • • • Introduction Phase lo
Page 5: 5 Challenges of PLL Simulation •
Page 9 and 10: 9 PLL Model Extraction Flow • •
Page 11 and 12: 11 September 17, 2007 PLL testbench
Page 13 and 14: 13 Non-Linear VCO Modeling • •
Page 15 and 16: 15 Effect of Noise and Perturbation
Page 17 and 18: 17 SpectreRF’s PPV-based VCO Mode
Page 19 and 20: 19 • • • Strengths of Spectre
Page 21 and 22: 21 Using Spectre RF Noise-Aware PLL
Page 23 and 24: 23 September 17, 2007 PPV versus tr
Page 25 and 26: 25 PLL Noise-Aware Flow Experimenta
Page 27 and 28: 27 Conclusions • • • • Cade
Page 29 and 30: 29 References • • • • • [

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