B39212B7752C910

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B39212B7752C910 is a type of SAW filter, the full name is “SMD Miniature High Frequency SAW Filter with Dual Band 267±5MHz and 2018±8MHz”. It is mainly used in antennas for various applications. B39212B7752C910 can be applied in mobile phones, WLAN IEEE 802.11b and 802.11g wireless systems, and Bluetooth systems. The working principle of B39212B7752C910 is based on the newly developed ultra-fine patterned piezoelectric process. The working principle of a SAW filter is to generate sound waves using a piezoelectric substrate, such as quartz. A small amount of electrical energy is injected into the substrate to create a sound wave. This sound wave then propagates through the surface of the substrate, bouncing off various structures such as posts, reflectors, and reflectors. The sound waves generated and reflected from the structures in the substrate are combined into a single signal with enhanced frequency selectivity.

B39212B7752C910 SAW filter consists of two main components: the cover plate and the substrate. The cover plate is made from a quartz material that is cut and shaped to form the needed frequency selectivity. On the other hand, the substrate itself contains an array of structures such as posts, reflectors, and diffractors that are designed to create a propagating wave in response to the electric energy. The shapes and sizes of the structures, as well as their locations, are extremely important for the filter’s performance. When electric energy is injected into the substrate, it propagates through the surface, bouncing off the various structures as it goes. Some of the wave is also absorbed or dissipated. The waves that remain will combine to form an amplified signal, with enhanced frequency selectivity.

B39212B7752C910 is especially popular when used in dual band systems. It can be used to provide two separate frequency bands: one for the lower frequency range and one for the higher frequency range. This makes it a great choice for use in 2.4GHz WLANs, Bluetooth systems, and other wireless systems. The B39212B7752C910 can also be used to filter the unwanted frequencies or EMI noise being radiated from adjacent systems.

Applications of SAW filters are numerous. In addition to their use in antennas, they can be used for signal conditioning, RF amplification, and signal transmission. They can also be used in wireless medical devices, automotive electronics, and RF test systems. The B39212B7752C910 is an ideal choice for these applications, as it provides a high degree of frequency selectivity and improved performance.

In summary, B39212B7752C910 is a type of SAW filter that is very popular in the antennas of various applications. It uses a piezo-electric substrate to create sound waves, which are then converted into a single amplified signal with enhanced frequency selectivity. B39212B7752C910 can be used to provide a dual frequency range for WLAN, Bluetooth, and similar wireless systems. It can also be used in signal conditioning, RF amplification, and signal transmission for various applications.

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