P1817A - Low-Power Mobile VGA EMI Reduction IC

onsemi

General Description

The P1817 is a versatile spread spectrum frequency modulator designed specifically for input clock frequencies.

The P1817 reduces electromagnetic interference (EMI) at the clock source, allowing system wide reduction of EMI of down stream clock and data dependent signals.

Key Features

FCC Approved Method of EMI Attenuation.
Generates a Low EMI Spread Spectrum Clock of the Input Frequency (Top View).

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P1817A low-power mobile vga emi reduction ic by onsemi - Datasheet Preview

Datasheet Details

Part number	P1817A
Manufacturer	onsemi
File Size	113.55 KB
Description	Low-Power Mobile VGA EMI Reduction IC
Datasheet	P1817A Datasheet

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Full PDF Text Transcription (Reference)

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P1817A, P1817B Product Preview Low-Power Mobile VGA EMI Reduction IC Description The P1817 is a versatile spread spectrum frequency modulator designed specifically for input clock frequencies. The P1817 reduces electromagnetic interference (EMI) at the clock source, allowing system wide reduction of EMI of down stream clock and data dependent signals. The P1817 allows significant system cost savings by reducing the number of circuit board layers, ferrite beads, shielding and other passive components that are traditionally required to pass EMI regulations. The P1817 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.