B39172B8344P810

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Part Status:	Last Time Buy

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Introduction to SAW Filters

SAW filters, also known as surface acoustic wave (SAW) filters, are important miniaturized radio-frequency (RF) elements commonly used in modern communication systems. They are mainly used to perform frequency-selective smoothing or amplification of a signal, allowing frequency-selective feedback while rejecting unwanted interference. This gives them a wide range of applications in communication systems such as wireless networks, Wi-Fi, cellular phones, Global Positioning Systems (GPS), search and rescue equipment, command and control systems, satellite systems, automotive electronics, medical electronics, and aerospace systems.

What is the B39172B8344P810?

The B39172B8344P810 is a ceramic SAW filter manufactured by Murata, a world leader in the design and production of SAW filters. The B39172B8344P810 is a 500 KHz surface acoustic wave filter that is designed to filter out unwanted interference from radio circuits and other communication equipment, while allowing the desired frequency to pass through. The filter is designed to work in a wide temperature range and can be used in applications such as wireless satellite navigation systems, automotive electronics, GPS receivers, and military applications.

Applications of the B39172B8344P810

The B39172B8344P810 is used in a variety of applications to filter out interference and allow the desired frequency to pass through. One of its main applications is in satellite navigation systems which require highly accurate frequency filtering. It is also used in automotive electronics such as on-board diagnostics systems, GPS receivers, and other communication systems. The filter is also used in military applications, such as radar and other communications systems, where a high level of frequency filtering is required.

Working Principle of the B39172B8344P810

The B39172B8344P810 is a surface acoustic wave (SAW) filter based on the piezoelectric effect. A piezoelectric material (typically quartz crystal) is sandwiched between two electrical contacts. When an electrical signal is applied to the crystal, it creates mechanical vibrations which propagate along the surface of the crystal as acoustic waves. This creates a resonance effect which causes frequency-selective smoothing or amplification of the incoming signal.The B39172B8344P810 is designed with optimized electrode and acoustic patterns to achieve an extreme flat pass band response. The frequency response of the filter is also highly stable across a wide temperature range between -40°C to +85°C. The acoustic waves are also designed to provide very low insertion loss and high signal-to-noise ratio. The filter is also designed to provide high rejection of unwanted frequencies.

Conclusion

The B39172B8344P810 is a ceramic SAW filter manufactured by Murata and used in a variety of communication systems for frequency-selective filtering. It is designed to provide high frequency selectivity and low insertion loss in a wide temperature range and is optimized for use in satellite navigation systems, automotive electronics, GPS receivers, and military applications. The filter operates using the piezoelectric effect to convert electrical signals into mechanical vibrations which propagate along the surface of the filter as acoustic waves, creating a resonance effect. This allows the filter to reject unwanted frequencies while allowing desired frequencies to pass through.

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