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ASM3P2853A

Part Number	ASM3P2853A
Manufacturer	Alliance Semiconductor Corporation
Description	Peak EMI Reducing Solution
Published	Mar 3, 2009
Detailed Description	December 2004 www.DataSheet4U.com ASM3P2853A Peak EMI Reducing Solution rev 0.7 Features Generates an EMI optimized c...
Datasheet	ASM3P2853A PDF File

Overview

December 2004 www.
DataSheet4U.
com ASM3P2853A Peak EMI Reducing Solution rev 0.
7 Features Generates an EMI optimized clock signal at output.
Input frequency: 25 MHz.
Frequency outputs: o o USB Clock (48 MHz unmodulated) 50 MHz (modulated), ±1% centre spread shielding that are required to pass EMI regulations.
The ASM3P2853A modulates the output of PLL in order to spread the bandwidth of a synthesized clock, thereby decreasing 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 clock generators.
Lowering EMI by increasing a signal’s bandwidth is called spread spectrum clock generati...

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