ASM3P2863AF-06OR Integrated Circuits (ICs)

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The ASM3P2863AF-06OR is a versatile clock generator, frequency synthesizer and phase-locked loop (PLL) which is used for a variety of clock generation and frequency synthesis in a wide range of applications. It has an output frequency range of 2MHz to 150MHz and is capable of precisely and accurately generating, synthesizing and controlling clock signals.

Application Field

The ASM3P2863AF-06OR has a wide spectrum of application such as broadcasting and communications, computing, embedded systems, intelligent peripherals, mixed-signal design, telecom and video applications, clocks for adapter and server boards and timing for industrial instrumentation and control systems.

In Broadcasting and Communications, ASM3P2863AF-06OR can be used in high-definition television and mobile phone infrastructures to provide clean and robust clock signals for the baseband system. It also provides accurate clock source for video converters and demodulators used for set-top boxes and for generating clocks to support digital terrestrial transmissions.

In the Computing Industry, ASM3P2863AF-06OR is used in PC motherboard designs to generate peripheral I/O and memories, North Bridge and South Bridge interface clocks. It also provides a scalable and configurable clock solution for entry to high-end server designs. In addition, with its controllable output frequency and low jitter performance, ASM3P2863AF-06OR can also be used in network interface cards, multi-function peripherals, low-power PCs, routers and notebooks.

In Embedded Systems and Intelligent Peripherals, ASM3P2863AF-06OR is used to provide accurate and clean clock signals with adjustable frequencies. This clock generator is suitable for embedded applications, such as micro-controllers, DRAMs, SRAMs, Smart Cards and Flash memory. Also, ASM3P2863AF-06OR can generate clock signals for FPGAs and ASICs used in transceivers, touch-screen displays and digital TVs.

Working Principle

The ASM3P2863AF-06OR is basically a frequency synthesizer, so it can combine different frequencies to produce the desired resultant frequency. It works by using a voltage controlled oscillator (VCO) and a digital phase-frequency detector (PFD) that is controlled by a Digital locked loop (DLL) and an Analog locked loop (ALL).

Firstly, once power is applied, the oscillator begins to generate the reference clock signal. The signal is multiplied and filtered by the phase frequency detector and a voltage controlled oscillator. The output of the voltage-controlled oscillator then goes through a Digital Lock-Loop (DLL) filter, where it feedbacks into the phase frequency detector and adjusts the frequency to achieve the desired frequency accuracy.

Secondly, the Accurate Clock Follower (ACF) is used to phase-align the output of the VCO with the signal at the input of the DLL loop. The Accurate Clock Follower is also used to reduce the jitter from the output of the VCO by eliminating any large frequency modulations. Finally, a divider circuit is used to divide the output signal from the ACF according to the desired output frequency.

In summary, the ASM3P2863AF-06OR can generate accurate clock signals with adjustable frequencies with low jitter performance, making it suitable for a wide range of applications. It is widely used in broadcasting and communications, computing, embedded systems and intelligent peripherals, mixed-signal design, telecom, and video applications.

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