B39321B3905U510

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SAW filters are a type of surface acoustic wave (SAW) device that provides frequency or delay control. It gets its name from the fact that it uses Sound Acoustic Waves to filter out signals. The B39321B3905U510 is one type of a SAW filter. This article will discuss the application field and working principle of the B39321B3905U510

Application Field

The B39321B3905U510 is used in a variety of applications, from mobile radio communications to automotive electronics. It can be used as a high frequency filtering network, a frequency select filter for telecommunications systems, and as an adjustment and control element for radio frequency communication systems. It can also be used in other applications such as wireless LAN, radar systems, and satellites.

Working Principle

The B39321B3905U510 is a SAW filter that produces a bandpass frequency response. It operates on the principle of surface acoustic waves that propagate along the surface of a piezoelectric substrate. The piezoelectric substrate is made of two layers, a piezoelectric layer and a top SiO2 layer. The top layer consists of two electrodes that create an electric field across the substrate, inducing a surface acoustic wave.

When a signal is introduced, the wave travels along the substrate. As it travels, it passes through the electrodes and is modulated by the electric field. This causes the signal to be filtered, depending on the frequency of the electric field. The output of the filter will depend on the type of filter and the frequency range of the input signal.

The B39321B3905U510 is a narrow-band pass filter, meaning it has a bandpass frequency response. It is suitable for applications that require narrow band-pass filtering, such as mobile radio communications systems and automotive electronics.

Conclusion

The B39321B3905U510 is a type of SAW filter that provides frequency or delay control. It is a narrow-band pass filter and is suitable for applications that require narrow-band pass filtering, such as mobile radio communications, wireless LAN, radar systems, and automotive electronics. The device works on the principle of surface acoustic waves that propagate along the surface of a piezoelectric substrate and is modulated by an electric field, creating a bandpass frequency response.

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