LFXTAL065460REEL

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Crystals

A crystal unit is an electronic component that contains a rapidly oscillating quartz crystal to accurately maintain an input frequency. The LFXTAL065460REEL is a surface mount miniature high precision crystal unit that is highly reliable and suitable for a wide range of applications. The crystal is specified up to 65.46 MHz and can be used in telecom components, computers, base stations and various other electronic applications.

Application Field of Crystal Units

Crystal units are very widely used in many different kinds of applications from industrial automation to consumer electronics. They are used in telecommunication systems, computation systems, medical equipment and instruments, sensitive instruments for measuring scales, radios, clocks and watches, audio equipment, video equipment, and home entertainment systems.

Crystal units are often used in pairing together with electronic components such as oscillators and phase-locked loops (PLL). In other instances they can be used on their own as a time base in clocks or counting devices. Crystal units are also widely used in radio frequency (RF) applications, especially in mobile radio systems that employ synchronized multiple transmitters.

Working Principle of Crystal Units

The working principle of crystal units is based on the piezoelectric effect, which is the ability of certain crystals to generate an electric field when subjected to mechanical stress and a mechanical vibration when subjected to an electric field. Specifically, the crystal unit consists of two metallic plates that are covered by a thin quartz crystal plate. The two metallic plates are electrically connected and the plates, in conjunction with the quartz crystal, form an oscillator circuit.

When an external voltage is applied, a small electric current passes through the quartz crystal, causing the crystal to vibrate. This vibration generates an electrically-induced mechanical stress at a specific frequency, known as the crystal’s resonant frequency. The resonant frequency of the crystal is determined by its size, shape, thickness and composition, and is typically stable over a wide range of temperatures and operating conditions.

When the voltage is removed, the crystal stops vibrating and the electric field disappears. The oscillator circuit is then used to keep the oscillation near the crystal’s resonant frequency. In this way, the crystal unit acts as an accurate frequency reference to achieve stable and precise output signals over a wide range of operating conditions.

Conclusion

LFXTAL065460REEL is a surface mount miniature high precision crystal unit that is highly reliable and suitable for a wide range of applications. They are often used in pairing together with electronic components such as oscillators and phase-locked loops (PLL), or on their own as a time base in clocks or counting devices. The working principle of crystal units is based on the piezoelectric effect, which is the ability of certain crystals to generate an electric field when subjected to mechanical stress and a mechanical vibration when subjected to an electric field. This vibration generates an electrically-induced mechanical stress at a specific frequency, known as the crystal’s resonant frequency.

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