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PLL

PLL Residual FM measurement and Optimization

PLL residual FM was measured with a time domain modulation analyzer.

The effect of optimization (power supply decoupling, different crystal loading topology, charge pump current settings) was verified and found to provide a significant performance improvement.

PLL design and analysis

Matlab, Mathematica, Cppsim are only part of the tools used to design and analyze PLL circuitry and performance.