SIT1602AC-12-33E-74.176000G

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Oscillators offer the ability to generate a stable, accurate, repetitive signal used for timing, triggering, or simply for generating a sine wave. This particular oscillator, SIT1602AC-12-33E-74.176000G, is a high performance quartz oscillator that is capable of providing highly stable output signals in a wide range of temperatures and frequencies.

This device is designed for timing applications in a wide range of consumer, automotive, industrial, and computing platforms. Applications include clocks, timers, and precision frequency references. The oscillator is available in a variety of two different packages – through hole and surface mount.

The device uses well-defined crystal tuning for frequency stability. This device can offer stability of up to -12 PPM accuracy over a temperature range from -40℃ to 85℃. It also comes with an E grade quartz crystal for maximum frequency stability. The frequency stability in this device is attributed to its use of advanced ceramic packaging.

In terms of performance, the device offers very low frequency drift of 0.2PPM/ unit change in temperature over a +/- 0.1℃ range of temperatures. Additionally, its load capacitance is tight, with Error voltage calculations of +/- 0.3v for a 10Pf load and +/- 0.5v for a 22Pf load.

The device also has a good phase noise performance of -95dBC at 10KHz offset, allowing for highly optimized clock sources and references with minimal jitter. The current consumption for the device is also low, typically just 1.2mA. Finally, the package size is kept small, with a footprint of just 4.6 x 3.8mm.

In terms of its working principle, the oscillator uses quartz crystal signals that are converted into electrical signals thanks to the AMP circuit. The frequency of the quartz crystal is then tuned with some quality factor and applied to the oscillator circuit. The circuit then ensures that the output signal has the expected frequency by fine tuning with the capacitors.

The output signal is then stabilized and buffered with the help of the integrated circuits. The output signal is then converted back to a crystal output frequency, further enhancing the stability of the signal by avoiding any frequency-frequency conversion steps. This conversion process is popularly known as PLL (Phase Locked Loop) frequency synthesis.

In conclusion, the SIT1602AC-12-33E-74.176000G is a versatile oscillator device that is optimized for timing and clock applications. Its high stability over wide temperature ranges, low frequency drift, and low current consumption makes it the ideal choice for use in a variety of applications.

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