B39458M3953M100S1

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SAW filters, which stands for surface acoustic wave filters have been widely used in commercial wireless communication systems over the past decade. The specific B39458M3953M100S1 is an example of such a filter that is widely used for frequency control in wireless networks. This article introduces the application fields and working principle of the B39458M3953M100S1 SAW filter.

The B39458M3953M100S1 SAW filter is suitable for a variety of scenarios such as LTE, 3G and other communication technologies which have a frequency requirement of less than 6 GHz and maintain low insertion loss. It also has features like providing high rejection, wide frequency range and consistent frequency accuracy. The filter’s low power consumption and compact size makes it ideal for mobile phones and other mobile devices.

The working principle of the B39458M3953M100S1 SAW filter is reported to based on a surface acoustic wave (SAW) filter with an acoustic mirror. A SAW filter consists of a piezoelectric substrate, an interdigital transducer, an acoustic mirror and an attenuating layer. Depending on the design, the filter can also contain one or more reflectors. The B39458M3953M100S1 also uses its piezoelectric substrate to convert electrical signals into mechanical waves. The waves propagate and reach the interdigital transducer, which leads to the formation of a resonant cavity which in turn allows the acoustic wave to pass through selectively depending upon its frequency.

The B39458M3953M100S1 SAW filter further uses an acoustic mirror in the form of an etched mirror that helps to control the overall bandwidth of the filter. It serves to block or reflect the acoustic wave depending on its frequency, and thus makes the filter selective to certain frequencies while rejecting the others. The attenuating layer further works to reduce or expand the wave pass band of the SAW filter, depending on its thickness.

The B39458M3953M100S1 SAW filter thus offers excellent performance accuracy and power efficiency and is therefore suitable for a wide variety of wireless communication systems. In conclusion, the B39458M3953M100S1 is a highly versatile and sophisticated SAW filter with an acoustic mirror and attenuating layer to offer frequency control for LTE, 3G and other wireless systems. Its attractive features like low insertion loss and high rejection make it a preferred choice for a wide range of applications.

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