B39941B8658P812S5

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Surface Acoustic Wave (SAW) filters provide a high level of performance and stability that make them ideal for use in most RF and microwave applications. B39941B8658P812S5 is a SAW filter from TDK that offers excellent accuracy and high stability for various applications. The filter is designed to provide excellent attenuation of out-of-band signals, which makes it well-suited for cellular and WLAN (Wireless Local Area Network) applications.

Application Field

The B39941B8658P812S5 SAW filter is specifically designed for use in mobile phones, cellular modems, WLAN equipment, and other communication systems. It can be used to filter out unwanted signals and provide highly precise signal suppression in the harmonic and image frequencies. It is also well-suited for use in maintaining signal integrity within a network. This ensures that the system maintains its performance and prevents any losses or distortions in the signals being transmitted.

Working Principle

SAW filters use a combination of mechanical and electrical properties to provide a high level of performance and stability in the frequency range of interest. The B39941B8658P812S5 SAW filter is made up of two layers of piezoelectric substrates. One of the substrates is covered with a thin metal layer to form a thin metal film resonator. When an incoming signal is picked up by the SAW filter, the metal film resonator vibrates due to the piezoelectric effect and causes a wave-like oscillation on the surface of the piezoelectric substrates. The metal film resonator then acts like a filter, allowing only certain frequencies to pass through while rejecting all the other signals.

The B39941B8658P812S5 SAW filter is a high-performance filter that offers excellent signal attenuation in the image frequencies as well as in the unwanted harmonic frequencies. It is designed to provide high stability and accuracy in most applications and maintains a high level of performance over a wide temperature range. The filter is extremely reliable and pricing is reasonable when compared to the competition.

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