Accurate PLL Characterization Using Virtuoso Spectre RF Noise ...
Accurate PLL Characterization Using Virtuoso Spectre RF Noise ...
Accurate PLL Characterization Using Virtuoso Spectre RF Noise ...
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10<br />
<strong>PLL</strong> Simulation Flow<br />
•<br />
•<br />
•<br />
September 17, 2007<br />
Create new <strong>PLL</strong> Testbench by placing the<br />
extracted models in a <strong>PLL</strong> testbench<br />
Start ADE and setup test simulation<br />
Run Transient Analysis<br />
– Designers have an option to simulate<br />
either with or without noise<br />
– Simulate without noise for <strong>PLL</strong> large signal<br />
characteristics such as lock Time<br />
– Simulate with noise for phase noise and<br />
jitter<br />
Create <strong>PLL</strong><br />
Testbench<br />
Start ADE and<br />
Setup Test<br />
Simulate<br />
Transient<br />
Analyze<br />
Results