511BCA40M0000BAGR

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Oscillators are key components of countless electronic systems, ranging from basic consumer products like cable modems and radios, to complex industrial and commercial instruments such as microwave communication devices and high-bandwidth power converters. The 511BCA40M0000BAGR oscillator is a temperature compensated crystal oscillator (TCXO) designed to provide tight frequency control and high reliability in demanding applications. This article explores the key features of the 511BCA40M0000BAGR, its application field as well as its operating principles.

Introduction to 511BCA40M0000BAGR

The 511BCA40M0000BAGR is a RoHS-compliant TCXO from Fox Electronics. It leverages a highly robust design based on a miniature, hermetically sealed package (4.0 x 3.2 x 1.3mm). It operates over a wide temperature range of -10 ~ +70C, exhibiting a superior frequency stability of 5ppm over its entire temperature range. This temperature compensated crystal oscillator also exhibits low jitter (95ps peak-to-peak) and low phase noise (up to -160dBc/Hz@1MHz offset).

Application Field

The 511BCA40M0000BAGR oscillator can be widely applied to various application fields requiring stringent timing accuracy. For example, it can be used in radio-controlled products, including GPS systems, cellular phones and military radios. The superior performance of the 511BCA40M0000BAGR also makes it an ideal choice for base station and broadband applications such as microwave transmitters, satellite receivers, cable modems, optical access networks and multicast/broadcast data transmissions.

In addition, the 511BCA40M0000BAGR is also suitable for automotive, computer accessories and consumer electronics applications. It can be utilized to provide precision timing for digital circuits in portable navigation systems, digital cameras, toy robots, and even automotive airbag control systems, producing an output frequency ranging from 5 - 100MHz.

Working Principle

The 511BCA40M0000BAGR component is considered a “temperature compensated” oscillator because it is designed to accurately maintain a fixed frequency output despite the effects of ambient temperature fluctuations. This is achieved through the utilization of a temperature-sensing element, which is connected to an output-frequency controlling circuit. The temperature-sensing element detects the ambient temperature and adjusts the oscillator\'s parameters accordingly, a process known as “temperature compensation.”

When an external temperature changes, the frequency of the oscillator output changes accordingly. At the same temperature, the temperature-sensing element generates a greater electrical resistance in high temperatures than a low, which results in a frequency variation. To compensate for this effect, the temperature-sensing element interacts with the frequency-determining circuit, which adjusts frequency accordingly. This ensures that the frequency of the oscillator remains stable over a wide range of temperatures.

Conclusion

The 511BCA40M0000BAGR Temperature Compensated Crystal Oscillator is highly suitable for demanding applications requiring precise frequency and timing control. Its hermetically sealed, miniature package offers high reliability and wide temperature range, while its temperature compensation and low jitter/low phase noise features ensure tight frequency control. By taking advantage of these features, the 511BCA40M0000BAGR oscillator can be successfully applied to various fields, including digital media, satellite communications, and automotive electronics.

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