SIT8209AC-3F-25S-166.666660X

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Oscillators

Oscillators are electronic devices which generate electrical signals at fixed frequencies. They are widely used in communication, navigation, radio, television, audio, control, and instrumentation systems. The SIT8209AC-3F-25S-166.666660X is a type of oscillator designed to generate accurately-defined frequencies within its specified operating range.

SIT8209AC-3F-25S-166.666660X Application Field

The SIT8209AC-3F-25S-166.666660X is designed for use in applications requiring an oscillator with an output frequency range of 166.666660 MHz. This type of oscillator is commonly used in radio communications, radio location, navigation systems, audio and television broadcasting, as well as in various types of communication and instrumentation systems. It is also used in satellite communications and control systems, in which precision frequency control is essential.

SIT8209AC-3F-25S-166.666660X Working Principle

The SIT8209AC-3F-25S-166.666660X uses a phased-locked loop (PLL) circuit to generate its output frequency. A PLL is an electronic circuit that uses a reference frequency to generate a signal at a particular frequency. The circuit consists of three main components: an oscillator, a phase detector, and a loop filter. The PLL is used to lock the output frequency to the reference frequency. The oscillator generates a signal at the desired frequency, and the phase detector compares the phase of the reference frequency with that of the oscillator output. The output of the phase detector is then filtered by the loop filter, which passes the desired frequency but rejects unwanted frequencies. Finally, the desired frequency is applied to the output of the oscillator.

The SIT8209AC-3F-25S-166.666660X uses a crystal oscillator to generate its output frequency, which is then stabilized by the PLL. The frequency can be adjusted in small increments by changing the voltage on the control pins of the oscillator. This allows precise frequency control over a wide range. The output frequency is also adjustable by changing the reference frequency or by switching the crystal oscillator to a different frequency.

The oscillator also features low-noise performance and low power consumption. The circuit can operate from +3.3V DC and draws less than 4mA of current. The operating temperature range is -40°C to +85°C.

Conclusion

The SIT8209AC-3F-25S-166.666660X is a precision oscillator designed for use in radio, television, and navigation applications. It is capable of generating a stable output frequency over a wide range, and offers low-noise performance and low power consumption. The oscillator is controlled by a PLL circuit, which allows precise frequency adjustment by changing the voltage on the control pins. This makes it ideal for use in systems requiring precise frequency control.

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