FL3000027 Crystals, Oscillators, Resonators

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Crystals characterize the orderly, repeating three-dimensional arrangement of atoms and molecules in a crystal lattice. By their nature, the application field for crystals is quite vast - from forming the basis for optical communications systems to the forming of the integral circuits in a computer\'s motherboard. One of the more prevalent application fields of crystals is the detection and analysis of applied frequencies, and no crystal better exemplifies this than the FL3000027.

The FL3000027 is especially suited for use in communication applications such as FM radios and cellular phones, as it provides excellent frequency stability across a wide temperature range. In order to provide this stability across such a wide temperature range, the crystal must be specifically designed to compensate for changes in temperature. This is accomplished by the use of a special surface mount package, known as the Surface Anisotropic Conductive Film (SACF), along with temperature compensation techniques.

The working principle of the FL3000027 crystal is quite straightforward. The crystal oscillates with a frequency determined by the cut angle intersecting with the longitudinal axis of the crystal, referred to as the cut angle, and the frequency of oscillation is mainly determined by the mechanical properties of the crystal and the electrodes on it. During the operation, the oscillation energy of the crystal is maintained mostly by a material known as a dielectric, which is connected parallel to the crystal. The dielectric modulates the electric field around the electrodes, which in turn modulates the resonance frequency of the crystal. This ensures that the crystal oscillates at a stable frequency during operation, even under temperature fluctuations.

The combination of temperature compensation techniques with the special SACF package employed by the FL3000027 crystal makes it particularly suited for frequency stability in a wide range of applications, including communication applications such as cellular phones and FM radio receivers. This high frequency stability is achieved because the crystal is designed to compensate for the changes in temperature by modulating the electric field around the electrodes. As such, the oscillation energy of the crystal is kept constant, no matter what the temperature.

In summary, the FL3000027 crystal is a specialized crystal designed for frequency stability in a wide range of applications. By employing special temperature compensation techniques and a unique SACF packaging, the crystal ensures that its oscillation energy remains constant, even under temperature fluctuations. This makes the crystal an ideal choice for communication applications such as FM radios and cellular phones, where high frequency stability is essential.

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