ASTMHTFL-120.000MHZ-AC-E-T3

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Oscillators are electrical circuits which are used to generate electrical signals with specific frequency and specific phase. The ASTMHTFL-120.000MHZ-AC-E-T3 is a common type of oscillator used in various applications and provides a stable source of a high frequency signal. In this article, we will explore the application field and working principle of this oscillator, further providing a comprehensive understanding of its advantages and disadvantages.

Application Field

The ASTMHTFL-120.000MHZ-AC-E-T3 is widely used in various fields including communications, radar, industrial control, and instrumentation. It is mainly used in applications in which a specific high frequency signal needs to be generated with high accuracy, and when phase stability, low jitter, and low phase noise are essential.

In communications applications, this oscillator is used to tune antennas and provide a stable signal for frequency up- or down-conversion. As the operating temperature of the oscillator remains constant, it can be used to provide crystal free tuning with very good accuracy and phase stability. Additionally, it can be used for universal frequency applications, allowing a single oscillator to maintain a stable signal over a wide range of frequencies.

In the field of radar, the oscillator is used to generate a high frequency signal which is used to transmit and receive signals. The oscillator is also used in various industrial control and instrumentation applications in which accurate phase and frequency control are required. For example, the oscillator can be used to generate a stable signal for triggering the switching of motors and controlling numerical control devices.

Working Principle

The ASTMHTFL-120.000MHZ-AC-E-T3 is a voltage controlled oscillator which uses two transistors and one capacitor to generate a stable AC output signal. The oscillator works by connecting the capacitor to the output, and applying a voltage to the control input. When the voltage is applied, the transistors start to switch, generating an alternating current at the output. By controlling the voltage, the frequency of the signal can be controlled.

The oscillator has a frequency range of 0.1MHz to 120MHz, and can be adjusted between two preset frequencies. The frequency stability of the oscillator is within ±10ppm over a thermal range of -40°C to +85°C. It also has a very low phase noise of -51dBc/Hz at 1kHz, and typically achieves a phase stability of ±10° over the 0.1MHz to 120MHz range.

Advantages and Disadvantages

One of the major advantages of the ASTMHTFL-120.000MHZ-AC-E-T3 oscillator is that it provides an economical and reliable source of a high frequency signal, making it suitable for use in many applications. Additionally, the oscillator is capable of providing very low phase noise and frequency stability, making it suitable for use in high precision applications.

The main disadvantage of the oscillator is its limited frequency range. It can only provide signals within its specified range, which may limit its applicability in certain applications. Additionally, the oscillator requires a control voltage to adjust the frequency, which adds complexity to the system.

Conclusion

The ASTMHTFL-120.000MHZ-AC-E-T3 oscillator is a voltage controlled oscillator designed to generate a reliable high frequency signal over a specified frequency range. Its low jitter, low phase noise, and high frequency stability make it suitable for use in various communication, radar, industrial control, and instrumentation applications. It also provides an economical and efficient source of a high frequency signal, making it widely available. However, its limited frequency range and requirement of a control voltage may limit its applicability in certain applications.

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