ASEMB-24.576MHZ-XY-T Crystals, Oscillators, Resonators

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Oscillators are used to generate repeating electronic signals over a wide range of frequencies. In general, oscillators are key building blocks in any circuitry for implementing time-dependent functions, such as frequency division or modulation. One particular type of oscillator, popularly known as ASEMB-24.576MHZ-XY-T, is widely used in many types of applications due to its impressive capabilities and performance. This article outlines the applications andworking principles of the ASEMB-24.576MHZ-XY-T oscillator.

Applications

The ASEMB-24.576MHZ-XY-T oscillator is a an ultra-low frequency oscillator, and finds a range of useful applications due to its impressive frequency stability and ultra low output noise levels. Firstly, it is extensively used in telecommunications systems, providing a stable reference signal for various types of communications protocols over various physical mediums such as RF and optical fiber. Secondly, it is used in satellite communications systems to ensure that timing critical transmissions are synchronised accurately with sender and receiver. Last but not least, this type of oscillator is used in industrial automation, where it regulates machine functions like movement, speed and accuracy.

Working Principle

The ASEMB-24.576MHZ-XY-T oscillator is a quartz crystal oscillator. It consists of a quartz crystal, an amplifier and a feedback network. The quartz crystal acts as an impedance-tunable capacitor. When the quartz crystal vibrates at its resonant frequency, the electric current passing through it generates an alternating voltage with the same frequency. This voltage is then amplified using an amplifier and the output is fed back to the quartz crystal through a feedback network, ensuring that the amplifier operates in the positive feedback mode. As a result, the quartz crystal oscillates and generates a radio frequency output.

The frequency of the output depends on the resonant frequency of the quartz crystal and the gain of the amplifier. The quartz crystal is constructed with a very small fixed capacitance, which keeps it oscillating at a predetermined frequency. The frequency stability of the output depends on the temperature stability of the crystal. To maintain high frequency stability, the crystal is protected from any external temperature gradients by insulating it within the oscillator package.

The quality of the output depends on the performance of the amplifier. Generally, the amplifier should be designed for low noise and low distortion, to ensure a faithful reproduction of the crystal\'s vibrations. To reduce the effects of noise on the amplfier, it is usually operated at a low gain. The feedback network is designed to ensure that the amplifier operates in the positive feedback mode at low frequencies, while providing sufficient roll-off at higher frequencies.

The ASEMB-24.576MHZ-XY-T is an ideal oscillator for communications, satellite and industrial applications, due to its impressive frequency stability and ultra low output noise levels. Its combination of quartz crystal and amplifier ensures that the output is accurately tuned to the required frequency, with high fidelity and minimal distortion. This makes it a popular choice for a wide range of applications.

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