SI5338C-B06478-GM

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The SI5338C-B06478-GM is a precision aperiodic atomic clock oscillator from Silicon Laboratories. It operates from a 9-14 VDC power supply and provides an output frequency accuracy of ±2e-11, making it an ideal choice for a wide range of low in-circuit timing and sychronization applications. SI5338C-B06478-GM utilizes a hybrid architecture, combining a stable quartz crystal oscillator, with the precision of an atomic clock reference and superior temperature performance.

Given its high accuracy and non-cyclic design, SI5338C-B06478-GM is suitable for applications with demanding time accuracy or synchronization requirements such as wireless communication base station timing, wireless sensing systems, remote sensing and metrology, medical imaging and diagnosis, aerospace and defense systems and many more. Its outputs provide accurate, synchronized reference signals over a wide selection of frequencies, allowing for a variety of implementation options.

The working principle of the SI5338C-B06478-GM is based on an aperiodic hybrid oscillator architecture which combines the high stability of a quartz crystal oscillator, with superior accuracy and precision of an ultra-stable atomic clock reference. This helps reduce temperature coefficient to as low as ±3ppm, providing a breakthrough in frequency stability and accuracy.

Once powered up, the oscillator starts a cycle automatically, synchronizing with the atomic clock reference provided by the oscillator. This synchronization is done through a DAC-controlled frequency adjustment process known as the Frequency Lock Loop (FLL). Once the FLL is satisfied and the reference frequency matches the target frequency, the oscillator moves to Holdover Status. The FLL process ensures that the drift correction between the quartz and the atomic clock reference is tracked and compensated for.

The SI5338C-B06478-GM allows for a very high level of synchronization precision and accuracy between oscillator outputs, with a single reference clock capable of monitoring multiple clock outputs. Its output frequencies are programmable, allowing for a selection of output frequencies from 1 Hz to 10 MHz.

In summary, SI5338C-B06478-GM is designed for applications with very specific timing and synchronization accuracy requirements, and is suitable for a wide range of applications such as wireless communication base station timing, wireless sensing systems, remote sensing and metrology, medical imaging and diagnosis, aerospace and defense systems and many more. It is a high precision aperiodic atomic clock oscillator with a precision of ±2e-11, and a temperature coefficient as low as ±3ppm. It is powered by a 9-14 VDC power supply and provides a selection of output frequencies from 1 Hz to 10 MHz.

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