B39588N3958M100 Filters

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Surface acoustic wave (SAW) filters are widely used in communication systems because of their advantages in size, frequency selectivity, temperature stability, low insertion loss, and high power handling. The B39588N3958M100 is one type of SAW filter with its application field and specific operating principle.The B39588N3958M100 SAW filter is a specific type of filter used in radio frequency (RF) applications. It is developed by the company EPCOS and is often used in RF radios. The B39588N3958M100 is designed to be a high frequency SAW filter with a cutoff frequency of 520MHz. It features a wide range of passband frequency responses from 470MHz to 540MHz, giving it excellent frequency selectivity. In addition, this SAW filter has excellent temperature stability, low insertion loss, and high power handling.The working principle of a SAW filter is based on the wave propagation of a surface acoustic wave (SAW) on the surface of a piezoelectric material. When an AC voltage is applied to the piezoelectric material, SAWs will be generated and propagated along the surface of the material. This SAW will experience a change in frequency as it passes over some structures on the surface, such as an reflective electrode. This structure can reflect part of the SAW signal, and it allows only certain frequencies to pass through, which filters out unwanted frequencies.The B39588N3958M100 filter is designed with an integrated circuit (IC) chip that consists of several resonators. Each resonator consists of an active transducer and a reflecting electrode. The transducer generates the SAW signal, and the reflecting electrode limits the frequency band of the SAW to the desired frequency range. The IC chip also includes a ground shield that reflects some SAW energy to reduce the insertion loss of the filter. The B39588N3958M100 SAW filter is suitable for use in a wide range of communication systems, such as satellite communication, wireless local area network (WLAN), cellular communication, or broadcast systems. In particular, it is suitable for Bluetooth or Wi-Fi applications, as it has excellent frequency selectivity and power handling properties. Therefore, this filter can be used in various communication applications for efficient transmission and reception of signals.In conclusion, the B39588N3958M100 SAW filter is a high frequency filter designed for use in RF applications. It has great frequency selectivity, temperature stability, low insertion loss, and high power handling properties. This filter is suitable for use in a wide range of communication systems and is often used for Bluetooth and Wi-Fi applications.

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