ABLJO-96.000MHZ

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ABLJO-96.000MHZ oscillators: application field and working principle

The ABLJO oscillator is a highly stable type of oscillator often used in telecommunications and broadcasting with frequencies as high as 96.000 MHz. It is typically used as a system clock source in applications such as cable modem, optical networks, microwave radio, base station transceivers, and WLAN. It can also be used in aerospace applications for attitude control.

The basic working principle of the ABLJO oscillator is based on the concept of self-sustained oscillation generated by a negative feedback loop. The core of the oscillator is a piece of quartz crystal which is connected to two amplifying devices. The oscillator is triggered by a small current (pulse) running through it, which causes the quartz crystal to vibrate at a certain frequency. This frequency is close to, but slightly below, the natural resonance frequency of the crystal. This small difference between the two frequencies allows the feedback loop to ignore the amplitude and phase fluctuations in the current and keep the oscillator in a steady state.

The oscillator is then tuned to the desired frequency by adjusting the frequency of the pulse driving it. This is done by changing the capacitance across the crystal, which is achieved by varying the voltage applied to it. The circuit is designed to ensure that the quartz crystal remains in its natural state (in which its resonance frequency is the highest), and any changes in the electrical parameters of the circuit are compensated for.

The ABLJO oscillator has a number of advantages over other types of oscillators. It is extremely accurate, with a frequency stability of 10-10, and has a low power consumption of just a few milliwatts. It is also extremely temperature stable, with a temperature coefficient of only around 0.5PPM over a wide temperature range. This makes it ideal for use in applications such as broadcasting and telecommunications, where a reliable and accurate clock signal is required.

In addition to its use in telecommunications and broadcasting, the ABLJO oscillator can also be used in aerospace applications. It is suitable for controlling the navigation, attitude, and motion of a spacecraft due to its high accuracy and stability. This makes it an ideal choice for mission critical applications such as attitude control.

The ABLJO oscillator is a highly reliable, accurate, and stable type of oscillator. It is mainly used in telecommunications and broadcasting, but can also be used in aerospace applications. Its accuracy and stability make it the perfect solution for mission critical applications where reliability is paramount.

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