B39389J3353K100

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Introduction of SAW Filters

SAW Filters, or Surface Acoustic Wave Filters, are commonly used electronic components, often used in radio applications for signal processing, especially in RF (radio frequency) applications. These filters are made using thin wafers of piezoelectric crystal materials, such as quartz, or sometimes sapphire or other materials. These materials are cut and mechanically polished into a thin, flat shape. The thin film of material is then placed or etched onto a substrate, the bottom side of which is a metal plate that is used to make a connection.

B39389J3353K100 Application Field and Working Principle

B39389J3353K100 is a type of SAW Filters, specifically designed for use in RF applications. It is commonly used in communications such as cellular mobile telephone applications, as well as in instruments, radar systems, navigation systems, and other electronic equipment located in toxic industrial environments. This filter achieves its purpose by blocking signals between certain frequencies while passing signals in the desired bands.

SAW Filters work by using surface acoustic waves, or SAW, which are waves that travel along the surface of the filter material, usually quartz. The surface of the material is etched into a pattern, creating tiny stair-like “ridges”. These ridges produce a periodic structure that distorts the acoustic wave, resulting in selective signal transmission. The conversion of electrical energy into sound energy, and then reversing the process back into electrical energy, selectively amplifies desired frequencies while blocking unwanted signals. This results in a highly-selective filter that only passes signals within the required frequencies.

Conclusion

B39389J3353K100 is a type of SAW Filters, designed for use in RF applications. It is used in electronic devices located in chemical and toxic industrial environments, where signals must be filtered between particular frequency bands. This filter works by using surface acoustic waves travelling along the surface of the filter material, usually quartz. The surface is then etched into a pattern, producing tiny “ridges” that distort the acoustic wave, producing selective signal transmission within the required frequency range. Ultimately, this passive filter achieves its purpose of blocking signals between certain frequencies while allowing signals within the desired frequency ranges to pass through.

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