CDCE913, CDCEL913

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SCAS849F – JUNE 2007 – REVISED APRIL 2015

Typical Application (continued)

Figure 15. Modulation Frequency (fm) and Modulation Amount

Figure 16. Spread Spectrum Modulation Shapes

9.2.2 Detailed Design Procedure

9.2.2.1 Spread Spectrum Clock (SSC)

Spread Spectrum modulation is a method to spread emitted energy over a larger bandwidth. In clocking, spread

spectrum can reduce Electromagnetic Interference (EMI) by reducing the level of emission from clock distribution

network.

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