CB3-3I-3M6864

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Oscillators

CB3-3I-3M6864 is an oscillator designed by Ecliptek Corporation, a market leader in crystal oscillator technology. With its compact size, low cost, wide operating frequency range and low power consumption, the device is an ideal solution for modern clock generator and signal conditioning applications.

Application Field

The CB3-3I-3M6864 is suitable for a wide variety of applications, including: automotive, consumer, computing, industrial, medical, and wireless communications. It is excellent for output frequencies ranging from 10Khz to 100Mhz and can be used as a clock generator or signal conditioner in computer motherboards and other time-critical systems.

The circuit design is based on the popular crystal oscillator architecture and uses a frequency hybrid approach to provide a high level of frequency stability and performance in the presence of temperature and power supply variations. The device features a high frequency stability of +/-1ppm over an extended temperature range from 0 to 70°C. It can also operate in environments featuring wide temperature variations from -40 to +85°C.

Working Principle

The CB3-3I-3M6864 oscillator works based on the hybrid oscillator structure. It begins by conditioning and driving a quartz crystal to establish an initial frequency, then uses frequency hybrid techniques such as resonator-based wideband amplification, digital integrators, and light-load loops to maintain a very accurate reference frequency. The circuit is designed to provide excellent phase noise, jitter, and resampling performance for a wide range of applications.

The crystal is connected to a pair of active circuits known as oscillator amplifiers, which drive the crystal towards resonance while maintaining low-level output. The output signal then passes through a low-noise amplifier, which further amplifies the signal before outputting it as a high-frequency clock. Finally, the signal is passed through a phase-locked loop (PLL) which protects against interference from outside sources while maintaining a stable output frequency.

The frequency accuracy of the CB3-3I-3M6864 is achieved through the use of precision components such as the quartz crystal and the PLL. The quartz crystal is designed to provide accurate and stable reference frequencies, with good temperature compensation as well. Basic frequency accuracy is ensured through a combination of careful component selection and accuracy trimming that can be done at the factory.

Conclusion

The CB3-3I-3M6864 oscillator from Ecliptek Corporation is an ideal solution for clock generator and signal conditioning applications. With its combination of high-frequency stability, low power consumption, and wide temperature range, it is suitable for a variety of applications across automotive, consumer, industrial, medical, and wireless communication markets. Its frequency accuracy is achieved through precision components and careful trimming of the device, while its phase noise and jitter are kept low through careful design.

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