SIT3822AI-2C-25NY

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Programmable oscillators have their place in the market for precision frequency control and versatile modulation purposes. SIT3822AI-2C-25NY is a type of programmable oscillator that combines both of those capabilities. This article will provide a look into the application field and working principle of the SIT3822AI-2C-25NY.

Application rField

The SIT3822AI-2C-25NY has a wide range of applications in various industries. It is an important component for communication systems, such as mobile communication and satellite communication, monitoring and detection systems, automotive audio systems and medical equipment. This programmable oscillator is also widely used in consumer electronics, instrumentation, power supplies, audio amplifiers, data converters and other precision components.

As a programmable oscillator, the SIT3822AI-2C-25NY is designed to be able to produce exquisite frequency outputs that can be adjusted to the exact frequency needed. It has a frequency range of 32.768 kHz to 40 MHz, which can meet different frequency requirements. The use of external resistors or capacitors can greatly adjust the oscillation frequency. It also has built-in temperature compensation which can improve the precision of the frequency output.

The SIT3822AI-2C-25NY also has a wide operating temperature range between -40℃ and +105℃, meaning it can be used in different environmental conditions. This programmable oscillator has small size, low power consumption and high performance, making it a popular choice for numerous applications that require a reliable frequency output in a small package.

Working Principle

The SIT3822AI-2C-25NY is based on Pierce’s oscillator principle. In its simplest form, a Pierce oscillator consists of an amplifier, an LC network, and a feedback path that controls the frequency of oscillation. The amplifier provides an output signal to the tank circuit, which is an LC circuit composed of the inductor and the capacitor. This tank circuit at the negative feedback of the amplifier further provides the energy back to the amplifier, causing the output signal to oscillate between two certain points.

Generally, the oscillation frequency of the Pierce oscillator is determined by the equations: 1 / (2π · (L · C)^0.5) and 1 / (2π · L · C^1.58). The capacitance and inductance values of the tank circuit can be adjusted to achieve the desired oscillation frequency, allowing for great flexibility in the customization of the oscillation frequency. With the integration of temperature compensation, the oscillation frequency can remain stable in different environmental conditions.

The SIT3822AI-2C-25NY is a combination of Pierce oscillator and digital PLL (Phase Lock Loop) technology, which is an improved version of the Pierce oscillator. This programmable oscillator only requires three external components to control the phase and output frequency, and four external components to control the amplitude, which is much lower than the five or six components in the conventional Pierce oscillator.

Conclusion

In conclusion, SIT3822AI-2C-25NY is a type of programmable oscillator that combines precision frequency control and versatile modulation. With a wide operating temperature range, small size and low power consumption, it is widely used in communication systems, monitoring and detection systems, instrumentation and other components. Its working principle is based on the Pierce oscillator and the integrated digital PLL technology, which allows it to be highly customizable.

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