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SAW Filters

Surface acoustic wave (SAW) filter refers to a multi-stage filter device using surface acoustic wave technology. It is a kind of electrocoustic transducer component. It is widely used in communication systems. It is characterized by small size, wide band, high selectivity, low loss, wide temperature range and high reliability. It is the most successful RF applications.

B39941B4165U410V9 is a SAW filter with high performance. It has a very wide application field. It can be used in the radio communication at base station, GSM, 2.5G, 3G and 4G systems such as Handset and Receiver applications. It is perfect for GPS receiver, ISM band transceiver, radio navigation, broadcast receiver, and other wireless systems.

B39941B4165U410V9 is a unique RF Filtering device with a band of 905~921 MHz.Its central frequency design is 913MHz. It is for single port applications with an insertion loss of 5.2 dB at 913MHz. This device can quickly reject adjacent channel interferers ensuring that your system won\'t be disturbed by them.

The working principle of B39941B4165U410V9 SAW Filter is to convert the high-frequency electrical signal into acoustic signal, and then converts the two kinds of acoustic signals generated by a single transducer into electrical signals. Therefore, electrical signals pass through the area of the surface wave to form electrical signal interference. With the superposition of each acoustic wave, high-order acoustic wave is generated in the surface, so that the high-order acoustic filter is realized.

In a SAW filter, signal loss (attenuation) is generated by the acoustic wave interference. The greater the number of stages, the greater the complexity of the filter and the higher the order of the filter. Signal attenuation is mainly affected by two factors: the temperature and the frequency offset.

B39941B4165U410V9 SAW Filter is designed to be used in high performance systems. It has a good temperature stability and strong ability to suppress adjacent channel interference. It can greatly improve the quality of communication systems, reduce system power consumption and improve system gain. It is a perfect choice for your wireless systems.

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