SIT8208AC-22-18E-62.500000T

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Oscillators are electronic components that produce a repetitive, oscillating electrical signal. This signal usually takes the form of a sine wave or other waveform. Oscillators are essential components in many electronic devices, such as clocks, radios, stereo systems, and computers. The SIT8208AC-22-18E-62.500000T is an example of an oscillator. In this article, we will discuss the application field and working principle of the SIT8208AC-22-18E-62.500000T oscillator.

The SIT8208AC-22-18E-62.500000T is a type of oscillator called a voltage-controlled crystal oscillator ( VCXO). A VCXO produces an output frequency that is proportional to an input DC voltage. This makes the device suitable for applications in which the frequency of the output signal needs to be changed over time. Such applications include communications and broadcasting, frequency synthesizers, and clock generation.

The SIT8208AC-22-18E-62.500000T oscillator is specially designed for use in systems with very high frequency stability requirements. Its frequency range is 20 - 22 MHz, with a frequency stability of ±62.5 ppm over the -40°C to +85°C temperature range. The frequency stability is further improved by a temperature compensation circuit, which uses the output of an integrated temperature sensor. Other features of the SIT8208AC-22-18E-62.500000T oscillator include very low phase noise and a wide lock range of ±25ppm.

The VCXO used in the SIT8208AC-22-18E-62.500000T oscillator is based on a quartz crystal resonator. A quartz crystal is a piezoelectric material that has the property of producing a voltage when it is subjected to mechanical stress. When a voltage is applied to a quartz crystal, the crystal will vibrate at a frequency determined by its physical characteristics. The frequency of the vibrations is then amplified and used to generate an output signal.

The SIT8208AC-22-18E-62.500000T oscillator uses a voltage-controlled circuit to modulate the frequency of the quartz crystal oscillator. This circuit adjusts the frequency of the oscillator according to the DC voltage applied to its input. This allows the frequency of the output signal to be adjusted over a wide range. The voltage-controlled circuit also provides noise immunity, ensuring that the output signal is stable and free of electromagnetic interference.

The SIT8208AC-22-18E-62.500000T oscillator is widely used in communications, broadcasting, frequency synthesizers, clock generation, and other applications that require high frequency stability. Its high frequency stability and wide lock range make it ideal for systems that need to maintain a constant output frequency. Additionally, its low phase noise and temperature compensation circuit ensure that the output signal is accurate and free of interference.

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