B39192B4218U810

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Surface acoustic wave (SAW) filters are well established components used in radio frequency (RF) communication systems. They are responsible for performing filtering functions by rejecting out-of-band signals and allowing only those within the pass-band to pass through. The B39192B4218U810 SAW filter is a standard off-the-shelf product from Murata Electronics, and is designed to provide superior performance, low insertion loss and high selectivity in the cellular, UMTS/WCDMA and GSM frequency ranges. In this article, we will discuss the application fields and working principle of the B39192B4218U810 SAW filter.

The B39192B4218U810 SAW filter is used in a variety of applications, including cellular phones, pagers, wireless local area networks (WLANs) and mobile broadband services. It is also suitable for use in GSM 900, GSM 1800, DCS 1800, UMTS 2100 and WLAN applications for operation in the lower frequency range. For applications that require filtering in the upper frequency range, the B39192B4218U810 SAW filter is well-suited as it offers performance up to 3.8 GHz.

The B39192B4218U810 SAW filter is designed using advanced surface acoustic wave (SAW) technology, which is a form of filter technology used to reject out-of-band signals and reduce interference in RF circuits. It utilizes a piezoelectric substrate and electrodes to convert electrical signals into surface acoustic waves, which propagate along the surface of the substrate. Along the way, the waves interact with transducers and reflectors on the substrate, creating electrical signals with the desired frequency response. This filtering action occurs due to the interaction between the transducers and the reflectors, which determines the resonance frequency and attenuation.

The B39192B4218U810 SAW filter is designed with a slanted-edge topography and gold plated electrodes for superior performance. The electrodes on the filter are specially designed to ensure a smooth, flat frequency response. The filter has a low insertion loss in the pass-band, which helps to ensure good signal-to-noise ratio and reduces interference. Furthermore, the filter is designed with an integrated matching network, which helps to minimize reflections and improve its selectivity.

The B39192B4218U810 SAW filter is an ideal choice for a variety of applications that require high-performance filtering in the lower frequency range. It offers reliable filtering performance, low insertion loss, high selectivity and an integrated matching network for improved performance. It is suitable for use in GSM, UMTS/WCDMA and WLAN applications, and can operate up to 3.8 GHz with minimal loss.

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