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P2040C

Alliance Semiconductor
Part Number P2040C
Manufacturer Alliance Semiconductor
Description LCD Panel EMI Reduction IC
Published Jul 4, 2007
Detailed Description September 2005 rev 1.4 LCD Panel EMI Reduction IC Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ www.DataSheet4U.com P2040C system...
Datasheet PDF File P2040C PDF File

P2040C
P2040C

Overview
September 2005 rev 1.
4 LCD Panel EMI Reduction IC Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ www.
DataSheet4U.
com P2040C system wide reduction of EMI of all clock dependent signals.
The P2040C allows significant system cost savings by reducing the number of circuit board layers and shielding that are traditionally required to pass EMI regulations.
The P2040C uses the most efficient and optimized modulation profile approved by the FCC and is implemented in a proprietary all-digital method.
The P2040C 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 result in a 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’.
FCC approved method of EMI attenuation.
Provides up to 15dB of EMI suppression Generates a low ...


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