B39202B9807P810W99

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Surface acoustic wave (SAW) filter technology is used to enhance signal separation, selectivity and spectral purity in many consumer applications. B39202B9807P810W99 is a type of SAW filter that has a wide range of uses in industrial, medical, consumer and other applications. This article will discuss the application of B39202B9807P810W99 and its working principle.

The B39202B9807P810W99 is a narrowband bandpass SAW filter targeting the 810~960MHz frequency range. It offers unmatched image rejection and outstanding filter performance for small and portable devices, making it ideal for these applications. In addition, it also provides good out-of-band rejection, making it suitable for systems with higher levels of signal interference.

This SAW filter is most commonly used in wireless communication systems, such as Bluetooth, cellular radios, ultra wide band (UWB) systems, and other types of equipment that operate in the 810~960MHz frequency range. It is also widely used in medical imaging equipment and instrumentation. In such systems, the high selectivity and low insertion loss of this filter help to ensure accurate signal processing and improve system sensitivity. In addition, it is also used as a pre-selector in radio-frequency (RF) identification (RFID) systems, which is used to control access to sensitive environments and secure facilities.

The working principle of the B39202B9807P810W99 SAW filter is based on the interaction between sound waves and a piezoelectric material, such as quartz or silicon. When an RF signal is applied to the filter, it causes the piezoelectric material to vibrate. This vibration creates a surface wave that is reflected across the surface of the filter. This reflection allows the filter to block all signal frequencies that are out of its target range, and to transmit only those signals that are within its operating range. This provides a high degree of selectivity and spectral purity, which is fundamental for accurate signal capture.

In conclusion, B39202B9807P810W99 is a narrowband bandpass SAW filter that provides superior selectivity and out-of-band rejection. This makes it suitable for many consumer and industrial applications, including wireless communication systems, medical imaging equipment, and RFID systems. This filter is based on the interaction between sound waves and a piezoelectric material, which allows it to achieve the desired performance characteristics.

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