B39252B8835P810S5

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Surface acoustic wave (SAW) technology which had been developed for many decades, is based on the generation, propagation, and reception of acoustic waves in the interface between two solid media, generally the surface of a piezoelectric material. For this reason, this kind of filter is termed as a "surface acoustic wave" filter. The B39252B8835P810S5 filter is an example of a SAW filter.

SAW filters exhibits many advantages including high power-handling capability, low insertion loss, wide pass-band, and high transition sharpness. This makes them ideal for many applications requiring high-performance RF filtering.

One application where SAW filters are typically used is telecommunications. In a typical telecom application, a SAW filter is placed at the input of a transmitter or receiver to prevent interference between signals covering adjacent bands. The B39252B8835P810S5 filter is an example of a bandpass filter that is often used for this purpose. It is designed for use in Mobile Communication Systems such as GSM and 3G. The filter has a pass-band between 880 MHz and 960 MHz with an insertion loss of less than 0.6 dB.

The working principle of a SAW filter is based on the energy reflection and dispersion of SAW energy as it propagates across the surface of the piezoelectric substrate. The filter can be designed to have two distinct transmission peaks, one at the center frequency or in the pass-band and the other at the rejection frequency, or in the stop-band. The B39252B8835P810S5 filter, for example, is designed to have two transmission peaks, one around 880 MHz and the other around 960 MHz.

The SAW filter also utilizes harmonic suppression to achieve sharp selectivity in the stop-band. This is accomplished by tuning the transducer elements of the filter to the stop and pass bands frequencies, as well as any harmonic frequencies which may be generated during the filtering process. In the case of the B39252B8835P810S5 filter, the rejection frequencies have been tuned to achieve a minimum insertion loss of over 35dB.

SAW filters have become a key component in many wireless communication systems. Their ability to provide low insertion loss and high rejection levels in both the pass and stop bands makes them ideal for use in a variety of applications ranging from telecommunications to GPS systems. The B39252B8835P810S5 filter is an example of a SAW filter which has been specially designed for use in mobile communication systems such as GSM and 3G.

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