B39321B3765Z810 Filters

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Surface acoustic wave (SAF) filters, also known as SAW filters, are widely used in mobile communication systems. These filters are widely used in mobile phones, navigation systems, wireless local area networks, and more. B39321B3765Z810 is an SAF filter that is used for communication systems. This article will discuss in detail the application field and working principle of B39321B3765Z810.

B39321B3765Z810 SAF filter is a band pass filter. It is designed for ISM communications and can be used in various applications, such as RF communications, DTV signal and various other industrial applications. This filter is especially suitable for wireless communication systems because it has low insertion loss and good return loss characteristics.

The application field of B39321B3765Z810 SAF filter is the ISM application bandwidth - 790MHz. This SAW filter has a wide frequency range and can effectively filter out unwanted noise and interference signals in the same frequency range. The filter also has the ability to maintain good selectivity within its own frequency band.

The working principle of B39321B3765Z810 is based on the wave propagation characteristics of surface acoustic waves , which are waves that travel on the surface of a solid material. The wave moves along the surface and interacts with the frequency selective elements embedded in the filter. These components separate the desired signal from unwanted frequencies that can cause distortion and interference.

The filter uses a reflective type of surface acoustic wave ferromagnetic transducer. The transducer has a piezoelectric plate the receives the signal, which is then converted to mechanical energy. This is then converted to an acoustic wave, which is reflected back and forth by the ferromagnetic layer. This reflection creates multiple harmonic frequencies and resonance modes that are used to filter out undesired frequencies.

SAW filters, like the B39321B3765Z810 filter, offer many advantages. These filters are designed to have very narrow passbands and high in-band attenuation due to the use of reflected SAWs and resonance modes. These filters can also be used in harsh environments thanks to their high temperature tolerance and low vibration susceptibility.

In summary, B39321B3765Z810 SAF filter is designed for use in ISM applications. It has a wide frequency range and excellent selectivity and insertion loss characteristics. It has a reflective type of surface acoustic wave ferromagnetic transducer, which is used to convert the signal to an acoustic wave that is reflected back and forth by the ferromagnetic layer. This reflection creates multiple harmonic frequencies and resonance modes that are then used to filter out undesired frequencies. Thanks to its robust design and excellent performance, this SAF filter is highly suitable for use in wireless communication systems.

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