540BAA122M880BAG

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Oscillators are devices that generate a repeating current or voltage waveform regardless of the input into the device. The 540BAA122M880BAG is an example of an oscillator and has a wide application field and an interesting working principle.

This oscillator is a +5 V, single frequency, digitally trimmed oscillator which operates over the frequency range from 500 kHz to 200 MHz. It is made with surface mount components and includes an internal buffer amplifier. The 540BAA122M880BAG is ideal for many applications such as RF amplifiers, antenna testing and PLL modules.

In regards to its working principle, the 550BAA122M880BAG is essentially a Pierce type quartz oscillator and it works by a voltage being applied to the quartz crystal. Due to the natural properties of quartz, the crystal then starts to vibrate at a frequency dictated by its dimensions. This oscillation in the crystal is then passed on by an amplifier to a subsequent low pass filter, which extracts the fundamental frequency that has been oscillating in the crystal, thus producing a distinct constant frequency sine wave.

This oscillator is also fitted with a crystal varactor, which allows for the frequency adjustment. It consists of a reverse-biased diode that’s either in series with a capacitor or in parallel with the crystal. This is a highly accurate and reliable device that can then be used to precisely adjust the crystal at high frequencies and maintain its accuracy over different aging and temperature conditions.

Thanks to its robust feature set and wide class of applications, the 540BAA122M880BAG is an essential part of many digital circuits. It is highly reliable, robust and accurate, and is not only the ideal solution for such applications but also a vital part of powering many digital circuits.

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