SIT3921AI-2C2-25NY148.500000Y

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Oscillators are electrical circuits that produce periodic signals in a steady state. These signals can be anything from a simple sine wave to complex waveforms with complex characteristics. The SIT3921AI-2C2-25NY148.500000Y is an example of a specialized oscillator designed for specific applications where accuracy, stability, and linearity are key. This article will outline the unique features and specifications of this oscillator, its application field, and its working principle.

Features and Specifications

The SIT3921AI-2C2-25NY148.500000Y is a high-precision, two-wire CMOS oscillator. It features a superb frequency accuracy of 0.1ppm over an industrial temperature range of -40°C to +85°C. It also offers a good start-up time, low current consumption, high output voltage, and excellent durability in extreme temperatures. Its maximum output frequency range is 12.8MHz and its input voltage range is 3.3 to 5V DC. In terms of physical specifications, it is 9.45mm in size and has a maximum total height of 1.60mm. It also comes with a full-package selection of five standard frequencies which are 15.000, 18.432, 18.6720, 19.6880, and 24.0000MHz.

Application Field

The SIT3921AI-2C2-25NY148.500000Y is ideal for many specific applications due to its high frequency accuracy and low power consumption. It is often used in radio frequency transmission and reception systems such as in GSM mobile phones or radio receivers. It is also used in other timing applications such as memory chips, multi-channel SDAR systems, and digital TVs. Furthermore, its combination of low power consumption and high frequency accuracy makes it suitable for many battery-powered and mobile applications.

Working Principle

The working principle behind the SIT3921AI-2C2-25NY148.500000Y is based on the principle of an oscillator. An oscillator is a circuit that produces a periodic output signal which cycles between two or more values. In this case, the output signal is a sine wave which cycles between two voltage levels. The frequency of the output signal is determined by the frequency of the internal oscillator circuit which is monitored by a frequency-lock loop. The internal oscillator can also be adjusted or trimmed to achieve higher accuracy if necessary.

The SIT3921AI-2C2-25NY148.500000Y also features a built-in start-up circuit. This circuit charges the internal capacitors which produces a high inrush current which is used to start the oscillator. Once the oscillator begins to resonate, the inrush current is removed and the oscillator operates at its designed frequency. This allows for reliable and accurate startup of the oscillator without the need for an external clock.

Conclusion

The SIT3921AI-2C2-25NY148.500000Y is a specialized oscillator designed for high frequency accuracy and stability. It is frequently used in radio frequency transmission and reception, memory chips, multiple SDAR systems, digital TVs, and other battery-powered and mobile applications. The oscillator operates on the principle of an oscillator, where an internal frequency-lock loop is used to produce an output sine wave of a predetermined frequency. The oscillator also features a built-in start-up circuit which ensures reliable startup without an external clock. Overall, the SIT3921AI-2C2-25NY148.500000Y is an ideal oscillator for many applications.

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