ABDFTCXO-40.000MHZ-L-2-CT

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Oscillators are electronic circuits that generate a periodic and oscillating signal suitable for timebase or synchronization purposes, that can be classified into amplitude-controlled and frequency-controlled oscillators. The ABDFTCXO-40.000MHZ-L-2-CT belongs to the frequency-controlled oscillator category.

This oscillator has particular features and advantages: frequency stability is guaranteed over a wide temperature range and by the lowest aging rate, and it has a built-in voltage-controlled temperature compensation circuit.

This oscillator is commonly used in wi-fi and bluetooth communications, due to its wide frequency range. As the entire device is SMD-based, it allows for an efficient use of the available space, providing a cost-effective solution. The ABDFTCXO-40.000MHZ-L-2-CT is a low power oscillator, which makes it suitable for portable devices, battery-powered devices and applications with tight power supply requirements.

The working principle behind this frequency-controlled oscillator is related to the characteristics of its structure. It features an oscillator core that includes an amplifier, a crystal oscillator and a feedback resistor which together form an oscillating circuit. This oscillator core provides the output signal, which is then buffered by a buffer amplifier.

The frequency of the oscillator is determined by the resonant frequency of the crystal. The oscillator core must include an amplifier in order to operate with enough gain to achieve a sinusoidal waveform. The feedback resistor determines the output signal amplitude; the smaller this resistor is, the higher the amplitude of the output signal. To compensate the temperature effects, the ABDFTCXO-40.000MHZ-L-2-CT also includes a temperature compensation circuit.

The temperature compensation circuit works by monitoring the oscillator frequency and adjusting it to ensure that it remains within specified limits by using the same resonator. To make this regulating effect, the oscillator makes use of a voltage-controlled oscillator circuit. This circuit ensures that the oscillator frequency is always stable, even when the temperature changes.

The ABDFTCXO-40.000MHZ-L-2-CT is a state-of-the-art oscillator, suitable for a wide range of applications due to its excellent frequency stability, wide frequency range, and its low power consumption. In addition, its integrated temperature compensation circuit ensures a stable frequency operation over a range of temperatures. Its SMD package also allows for an efficient use of space.

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