MB88155-412 datasheet(9/24 Pages) FUJITSU

Part #	MB88155-412

Description	Spread Spectrum Clock Generator

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Manufacturer	FUJITSU [Fujitsu Component Limited.]

Direct Link	http://edevice.fujitsu.com/fmd/en/index.html

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9 / 24 page

MB88155

9

• Center spread

Spectrum is spread (modulated) by centering on the non-spread frequency.

• Down spread

Spectrum is spread (modulated) below the non-spread frequency.

−1.0%

+1.0%

Radiation level

Frequency

Non-spread frequency

Example of center spread at modulation rate

± 1.0%

Modulation width 2.0

%

−2.0%

Non-spread frequency

Frequency

Radiation level

Example of down spread at modulation rate

− 2.0%

Modulation width 2.0

%

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