M2004-01-622.0800

Series:	--
Packaging:	Tray
Part Status:	Obsolete
PLL:	Yes
Input:	LVCMOS, LVTTL
Output:	LVPECL
Number of Circuits:	1
Ratio - Input:Output:	2:1
Differential - Input:Output:	No/Yes
Frequency - Max:	622.08MHz
Divider/Multiplier:	Yes/No
Voltage - Supply:	3.135 V ~ 3.465 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	36-CLCC
Supplier Device Package:	36-CLCC

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Clock Generators, PLLs, and Frequency Synthesizers

Clock generators, phase locked loops (PLLs), and frequency synthesizers are all important components of precise timing and synchronization equipment used in various industries and even in everyday life. They provide precise and consistent timing signals to various computer components, such as clocks and oscillators, manufactured for a variety of purposes including communications, military and industrial uses, aerospace and transportation, and medical and scientific applications.

Clock Generators

Clock generators are electronic circuits which act as a time source, providing pulse trains (or clocks) to other electronic circuits. Internal circuits determine the frequency of the clocks, which is determined by the level of external forces on the circuit, such as applied voltage. Clock generators then stabilize the frequency so that it is precisely maintained at that frequency. Clock generators find their application in several areas such as personal computers, networking, telecommunications, and embedded systems. Generally, the most desirable feature of clock generators is their ability to produce very stable clock frequencies by providing precision frequency control and low jitter, which is the variation in pulse widths of the clock signals.

Phase Locked Loops (PLLs)

A Phase Locked Loop (PLL) is an electronically controlled oscillator circuit that is used to generate precise and reliable frequency signals by synchronizing an input signal with a reference frequency signal. The oscillator circuit is built with a voltage controlled oscillator (VCO) and a feedback circuit. The PLL can track changes in the input signal frequency, and it is ideal for providing stable and consistent timing signals for a wide range of computer components by providing precise frequency control and low jitter, as well as improving system performance for a variety of applications.

Frequency Synthesizers

Frequency synthesizers are electronic circuits designed to produce precise and stable frequency signals from a reference source. A frequency synthesizer is composed of multiple components, such as an oscillator, amplifier, mixer, and logic functions. It is commonly used to generate radio-frequency signals, and is commonly found in television, radio, and communication systems, as well as for medical imaging, scientific instrumentation, and navigation systems.Frequency synthesizers are used in a wide variety of applications. For example, they are used in cellular communications to maintain the frequency of a cellular base station; in navigation systems to provide navigation guidance; and in television and radio broadcasting to provide stable frequency signals.

Conclusion

Clock generators, phase locked loops (PLLs), and frequency synthesizers are all important components of clock and timing equipment used in a wide variety of industries and applications. Clock generators provide very stable clock signals with precise frequency control and low jitter, PLLs provide stable and consistent timing signals with precise frequency control and low jitter, and frequency synthesizers generate stable frequency signals from a reference source, making them ideal for stable and reliable tuning and synchronization of a variety of systems.

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