87946AYI-01LF

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Introduction

The 87946AYI-01LF is an all digital clock signal generator, part of a selection of frequency synthesisers from NXP Semiconductors. It offers designers an easy-to-use and affordable solution for clock signal generation, through the combination of advanced digital signal processing and crystal oscillator technology.

Field of Application

The 87946AYI-01LF is a highly versatile device for the generation of frequencies in the range of 26MHz to 300MHz. It is a perfect choice for a variety of applications, from embedded systems, telecom, telecom and network systems, to sophisticated military and industrial equipment.

The device can be used as part of a frequency synthesis chain, helping enable the usage of crystal oscillators with low frequency features, while being able to generate non-standard frequencies at highly precise levels. The output of the generator can be used to generate timing signals, clocks, busses and serial signs, with an accuracy of 5ppm (parts per million).

Working Principle

The working principle of the 87946AYI-01LF revolves around the usage of a crystal oscillator. This oscillator serves as the reference for a PLL circuit, which generates a clock signal with a determined frequency. The digital signal processing capabilities of the device enable the user to configure the device to generate frequencies that are not standard, as long as they are within the range of 26-300Mhz. Once configured, the device will generate its output signal with a maximum accuracy of 5ppm, regardless of temperature.

The device also supports which synchronous outputs, allowing for configurations with multiple outputs that are perfectly synchronised. Adjustments for skew, phase, and vary can be configured through the usage of an external device connected to the clock signal generator.

Conclusion

The 87946AYI-01LF is a versatile and highly accurate clock signal generator, specifically designed to offer precision and easy-to-use configuration options for clock synthesis applications. The combination of a crystal oscillator and a PLL circuit enables the usage of frequencies within the range 26-300MHz, with an accuracy of 5ppm, and a skew of less than 0.1ns. The device also allows for synchronous outputs, as well as skew, phase, and variation adjustments via an external connection. This makes it an ideal choice for a variety of clock synthesis applications.

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