B39272B4329P810

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A SAW filter, short for surface acoustic wave filter, is a type of band-pass filter used in many critical systems requiring very high frequencies and stable filters. The B39272B4329P810 is a SAW filter specifically designed for the mobile telecommunication industry. It is designed for Global System for Mobile Communication (GSM) transmission for cellular base stations and handsets.

The B39272B4329P810 SAW filter uses a surface acoustic wave on a piezoelectric substrate to create an electrical response due to the traveling wave character of the acoustic wave. It functions by inducing a piezoelectric current, generated by the acoustic wave, to flow through the substrate and into a pair of electrodes to form a basic waveguide. The acoustic wave is then propagated along the waveguide, causing a higher electrical impedance at pass frequencies. Signals which have a frequency outside the pass band will be blocked since their impedance will be lower, creating a filter with very specific operational characteristics.

The B39272B4329P810 filter is designed as a passband filter for GSM base station and handset transmission. It is particularly suitable for use in power amplifiers which require extended passbands due to its wide stopband attenuation. It has a high level of frequency stability to ensure consistency of performance in environments with varying ambient temperatures. The passband of the filter is 824-894 MHz and its passband insertion loss is less than 2 dB. Its group delay variation is less than 1.5 ns in the passband to maintain a constant signal profile. The B39272B4329P810 features a high stopband attenuation of more than 40 dB which ensures good signal isolation from other frequencies.

The B39272B4329P810 SAW filter is designed for use in the mobile telecommunication industry, particularly for GSM applications. Its high passband insertion loss and frequency stability make it well-suited for power amplifier applications while its 40 dB stopband attenuation ensures good isolation from interference in the environment. With its well-defined characteristics, the B39272B4329P810 is an ideal choice for mobile telecommunication systems which require consistent performance in an ever-changing environment.

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