SIT9120AI-1D1-33E25.000000T

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Oscillators are devices designed to generate signals within a particular frequency range defined by their specific design and intended application. The SIT9120AI-1D1-33E25.000000T is an oscillator specifically designed for clock and timing applications. It is a small and cost-effective crystal oscillator, capable of providing highly accurate and reliable clock signals without the need for external components or adjustments.

Specifications and Performance

The SIT9120AI-1D1-33E25.000000T is a temperature-controlled crystal oscillator (TCXO) that operates from a wide frequency range of 26-60MHz. This crystal-based oscillator provides a highly stable output frequency over a wide temperature range. It has a low supply voltage of 1.5V and a current consumption of less than 10mA. The clock output is a TTL or LVCMOS-compatible square wave with a rise and fall time of 30ns maximum. It has a precision frequency tolerance of ±5 ppm at 25°C and a stability over temperature of ±2.5 ppm. It also has a great shock durability of up to 40 g.

Application fields

The SIT9120AI-1D1-33E25.000000T is particularly well-suited for applications such as communications, automotive, GPS, industrial control, audio/video, robotics and medical devices. This temperature-controlled crystal oscillator is especially suitable for mobile devices such as wireless phones, tablet PCs, and other battery-powered devices that require a high level of frequency accuracy with low current consumption. The clock resolution is also very precise, making this device a great choice for applications that require a precise and regular timing mechanism.

Working principle

The SIT9120AI-1D1-33E25.000000T uses a quartz crystal that vibrates at a precise frequency in order to generate a stable frequency signal with low levels of error. The quartz crystal is on a board connected to two electrodes, which, when a voltage is applied, cause the crystal to vibrate at a specific frequency, usually in the range of several hundreds of kilohertz or megahertz. The voltage required to make the crystal vibrate is lower than the output frequency, and the crystal also has a good temperature coefficient and a high Q factor for precise frequency output.

The output signal is amplified to a more practical level using an amplifier, then separated into two complimentary phases of the same frequency depending on the polarity of the applied voltage. This process is known as phase-split or push-pull operation. Finally, the signal is buffered to obtain the desired output format (such as TTL or LVCMOS). The quartz crystal used in the SIT9120AI-1D1-33E25.000000T is temperature-controlled, allowing the device to maintain its frequency accuracy over a range of temperatures.

Conclusion

The SIT9120AI-1D1-33E25.000000T is an extremely reliable and cost-effective temperature-controlled crystal oscillator designed for clock and timing applications. It is particularly suitable for use in mobile devices such as wireless phones, tablet PCs and other battery-powered devices due to its low supply voltage, low power consumption and precise frequency accuracy. The temperature-controlled quartz crystal used in this device ensures its accuracy over a range of temperatures and vibration frequencies.

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