SIT9002AI-03H33DK

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Programmable oscillators are used in a variety of applications, ranging from high speed electrical current to the control of physical processes. The SIT9002AI-03H33DK is one such example that offers a high degree of flexibility and performance when applied in industrial operations and commercial applications. This article looks at the application field and working principle of the SIT9002AI-03H33DK programmable oscillator.

Application Field of the SIT9002AI-03H33DK Programmable Oscillator

The SIT9002AI-03H33DK programmable oscillator is a highly accurate, relatively reliable oscillator designed to suit a wide variety of applications including industrial automation, automotive, communication systems and audio/video equipment. It has a wide operating temperature range of -40°C to +125°C and a wide voltage range of 4.75V to 6.25V. The device has an impressive frequency range from 30.72MHz to 122.88MHz and depends on an external quartz crystal for its stable frequency. It is available in an 8-pin DIP package and is therefore easily integrated into most circuits and systems. The SIT9002AI-03H33DK programmable oscillator is also well-suited to microcontroller applications where used on a board level.

Working Principle of the SIT9002AI-03H33DK Programmable Oscillator

Unlike fixed frequency oscillators, the SIT9002AI-03H33DK programmable oscillator can be programmed to produce any frequency within its range by tuning the external quartz crystal. The tuning is accomplished by controlling the bias current sent through the quartz crystal. This bias current is controlled by the internal circuit of the device, which accounts for both the temperature and the voltage of the device. The circuit remains stable until a voltage or temperature change occurs, at which point the bias current is adjusted to maintain the desired frequency. The external quartz crystal acts as an acoustic filter to isolate the oscillator from external noise and maintain the required frequency even when the temperature or voltage changes.

The oscillator has two pins, OSCOUT and OSCIN, for setting the output frequency. OSCOUT is connected to the oscillator output and OSCIN is connected to the external quartz crystal. The OSCIN pin must be connected to the supply voltage for the oscillator to function properly. The junction of OSCOUT and OSCIN can be connected together if the operating temperature is not expected to change. This allows the oscillator to remain at a more consistent temperature, which helps to maintain the highest accuracy of the output frequency.

In summary, the SIT9002AI-03H33DK is a programmable oscillator designed to suit a wide variety of applications including industrial automation, automotive, communication systems and audio/video equipment. It is a high-accuracy, relatively reliable oscillator that can be programmed to produce any frequency within its range. The device has an impressive frequency range from 30.72MHz to 122.88MHz and depends on an external quartz crystal for its stable frequency. It is available in an 8-pin DIP package, making it easily integrate into most circuits and systems.

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