B39202B9908P810S5

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SAW (surface acoustic wave) filters are devices that can be used to filter out electronic signals. The B39202B9908P810S5 is a SAW filter specifically designed for very high frequency (VHF) applications. It is a narrowband pass filter with a center frequency of 810 MHz. The bandwidth is typically 392 MHz.

The B39202B9908P810S5 is a surface acoustic wave filter that consists of an array of piezoelectric transducers that are patterned on the surface of a substrate material. The transducers produce acoustic waves, which are then transmitted through the substrate material. The acoustic waves interact with the numerous interdigital transducers (IDTs) that are placed underneath the substrate. The IDTs modify the surface acoustic waves, enabling them to produce a selective filtering effect.

The B39202B9908P810S5 SAW filter is mainly used for CATV and mobile communication applications. It can be used in CATV systems for signal conditioning, allowing for higher picture and sound quality in television transmissions. The filter also works well for mobile communication, where it can be used for interference suppression within and between base station units.

The B39202B9908P810S5 SAW filter is a narrowband device, meaning that it has a very specific pass band range of frequencies. In the case of the B39202B9908P810S5, this pass band is typically 392 MHz around the 810 MHz center frequency. The filter is very effective at blocking out frequencies that are outside of this pass band range, allowing it to act as a very effective barrier against interference.

The working principle behind the B39202B9908P810S5 SAW filter is fairly simple. The vibration of the IDTs causes the surface acoustic waves to interact and interfere with each other, resulting in constructive and destructive interference patterns. The constructive interference occurs for frequencies that are within the filter’s bandwidth, allowing those frequencies to pass through while blocking out any other frequencies that are outside of the filter’s bandwidth.

The B39202B9908P810S5 is a versatile SAW filter that has been successfully implemented in a variety of applications. It is ideal for CATV and mobile communications due to its very narrow bandwidth and high selectivity. The wide pass band range and effective interference suppression make the B39202B9908P810S5 an excellent choice for those applications.

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