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Partname:I2781AF-08TT
Description: General Purpose EMI Reduction IC
Manufacturer:Alliance Semiconductor Corp.
Datasheet:PDF (169K).
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The P278xA uses the most efficient and optimized modulation profile approved by the FCC. The P278xA modulates the output of a single PLL in order to "spread" the bandwidth of a synthesized clock and, more importantly, decreases the peak amplitudes of its harmonics. This results in significantly lower system EMI compared to the typical narrow band signal produced by oscillators and most frequency generators. Lowering EMI by increasing a signal's bandwidth is called spread spectrum clock generation.

Click here to download I2781AF-08TT Datasheet
Click here to download I2781AF-08TT Datasheet
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