FA-238 25.0000MB-W

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Crystals are naturally occurring materials composed of one or more elements and are highly ordered atomic structures. They are used in numerous applications such as clocks, watches, electronics, and telecommunications. FA-238 25.0000MB-W is a type of crystal and is produced in small sizes typically below one millimeter (1 mm). The application fields and working principle of this crystal are detailed below.

Application Fields

The FA-238 25.0000MB-W crystals are mainly employed for electronic frequency control in an integrated circuit. Typical application fields are: Television (TV) color receiver circuit frequency control, FM demodulation and intermediate frequency (IF) filter circuit tuning, communications equipment frequency control, and clock pulse generators. These crystals are also suitable for oscillator circuits in the control of direct current motors, mechanical movement clocks and digital devices.

Working Principle

When a crystal is subjected to an alternating voltage, electromechanical oscillation occurs within the crystal. This occurs due to the piezoelectric nature of the crystal material, which allows the crystal to be compressed or extended in size when an electric field is applied. This oscillation creates a frequency within the crystal that is determined by its mechanical structure. The frequency of the oscillation is very stable and can be used in a number of oscillator circuits.

The frequency of the oscillation of the FA-238 25.0000MB-W crystal is determined by its mass, geometry, and three electrical parameters, i.e. C₁, C₀, and F. The value of F is calculated as the product of C₁ and C₀ for the particular crystal and remains constant for a particular crystal. The FA-238 25.0000MB-W crystal has a frequency of 25.0000 MHz.

The internal electrical design of the FA-238 25.0000MB-W crystal ensures that there is excellent frequency stability and load impedance matching. The crystal provides a frequency stability of ± 0.5 ppm over a temperature range of 0°C – 70°C. The electrical characteristics of the crystal are further enhanced by the combination of high resonance impedance and frequency tolerance over temperature.

The FA-238 25.0000MB-W crystal is ideal for constructing frequency control circuits in a variety of electronic devices. With its small size and excellent frequency stability, the FA-238 25.0000MB-W crystal provides an ideal solution for circuit designers who require precision frequency control.

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