SIT8208AC-81-18E-31.250000T

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Oscillator is an important part of electronic product, which plays the role of signal source in communication system. SIT8208AC-81-18E-31.250000T is an example of oscillator belonging to this category. It applies the circuit Technology of block and integrated structure, and its frequency is stable and adjustable. In this article, we will talk about its application field and working principle.

Application Field

SIT8208AC-81-18E-31.250000T is a kind of voltage-control oscillator (VCO), which is composed of series of small oscillator circuits. It is provided with a full range of capacitor values and frequency tolerance, and used in a wide range of applications. It works in the frequency range of 18.438MHz to 68.912MHz with voltage range from 3.3V to 5.0V. It can be widely used in various cordless handsets, cellular telephone and VHF radio and other applications where improved frequency stability across the temperature range is required.

Working Principle

The working principle of SIT8208AC-81-18E-31.250000T is very simple. When it is applied with static electricity, the oscillator circuit will generate oscillation and the coil will start to oscillate, thus producing a certain frequency signal. It uses a low noise CMOS circuit and high frequency accuracy oscillating components to achieve frequency stability and low power consumption. Its circuit include an oscillator controlled by an external capacitor, a buffer amplifier and a frequency tuning function, which enable it to meet high frequency accuracy requirements and low power consumption.

In addition, the SIT8208AC-81-18E-31.250000T oscillator is provided with two different modes of operation, static and dynamic. In the static mode, the frequency is fixed and cannot be changed. In the dynamic mode, the frequency can be easily adjusted by varying the voltage applied to the internal tuning capacitor.

In conclusion, SIT8208AC-81-18E-31.250000T is a voltage-controlled oscillator with wide range of application field and stable and adjustable frequency. It uses a low noise CMOS circuit and high frequency accuracy oscillating components, and is suitable for use in cordless handsets, cellular telephone and VHF radio and other applications.

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