B39162B4313P810

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SAW Filters: B39162B4313P810 Application Field and Working Principle

SAW filters, the acronym for surface acoustic wave filters, are electronic components used for wireless communication applications such as mobile phone,pc’s, televisions, and radio antennas and are quickly becoming a favored technology. The B39162B4313P810 is a SAW filter developed by EPCOS Inc, a major supplier of electronic components. This article will provide an overview of the product and go into the application field and working principle of the B39162B4313P810.

Application Fields

The B39162B4313P810 SAW filter is designed for use in wireless communication systems such as those used in mobile phones, PC’s, televisions, and radios. This filter is used to reduce out of band interference that is caused by other nearby wireless signals. It serves as a frequency filter, allowing the desired signal to pass while blocking or attenuating any unwanted signals.

One application of the B39162B4313P810 is in mobile device baseband processors. The filter is designed to improve the signal-to-noise ratio of the mobile signal, allowing for faster data transmission rates and better reception in low signal areas. Another application is in television and radio systems, where it helps to reduce the amount of interference caused by other nearby signals.

Working Principle

The B39162B4313P810 SAW filter works by using acoustic waves to filter out unwanted signals. The filter contains an array of interdigital transducers, which are metallic electrodes that create a surface acoustic wave when connected to a power source. This wave travels along the surface of the filter and reflects off of the sides. By carefully controlling the timing of the reflection, the device can act as a frequency filter, only allowing signals of a certain frequency to pass through.

The filter also contains a resonance chamber to amplify the signals that are allowed to pass through. This chamber is filled with a gas or liquid that helps to increase the power of the desired signal. By increasing the power of the signal, the filter is able to reduce the amount of noise and interference that is picked up from nearby signals.

The B39162B4313P810 has a pass band of 10 MHz to 1000 MHz and a stop band of -10 dBm. The filter has an insertion loss of less than 0.2 dB and a VSWR of less than 1.5.

Overall, the B39162B4313P810 SAW filter is a versatile device that can be used in many wireless communication systems to improve signal quality and reduce out of band interference. It is designed to filter out unwanted signals while allowing the desired signal to pass through. The filter has an insertion loss of less than 0.2 dB and a VSWR of less than 1.5. By amplifying the desired signal through a resonance chamber, this filter is able to reduce the noise and interference from nearby signals, allowing for better signal quality and faster data transmission rates.

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