B39291R984H110

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SAW (surface acoustic wave) filters are electronic components that are used to filter out signals at certain frequencies. The B39291R984H110, a SAW filter manufactured by Broadcom, is designed to filter signals in the 1.2-2.4 GHz frequency range. It can be used in a wide variety of applications, including mobile phone base stations, wireless routers, and other devices that utilize the 1.2-2.4 GHz frequency band. In this article, we will discuss the application field and working principle of the B39291R984H110.

The B39291R984H110 SAW filter is a key component of mobile phone base station transceivers. By filtering out noise and other unwanted signals, it helps ensure clear, reliable communication between the base station and the mobile phones in its area. The filter also helps optimize signal power, reducing interference and extending battery life in the mobile phones. Within the 1.2-2.4 GHz frequency range, the filter has a center frequency of 1.9 GHz and a 3 dB bandwidth of 400MHz.

The filter also has a variety of other uses. Wireless routers often use SAW filters to help restrict interference from other devices. It can also be used in Global Positioning System (GPS) receivers or other location-based service devices. In addition, it can be used in the manufacture of set-top boxes, allowing manufacturers to filter out unwanted signals that can interfere with the quality of television programs.

So how exactly does the B39291R984H110 filter out signals? The filter utilizes surface acoustic wave (SAW) technology to selectively attenuate or block certain frequencies. SAW filters work by passing an electrical signal through an acoustic waveguide, or “resonator”. The resonator is made up of two thin interleaved electrodes, usually made of gold or platinum. When the electrical signal passes through the waveguide, it is converted into a longitudinal acoustic wave, which propagates along the surface of the substrate.

The sound wave then passes through a piezoelectric substrate. A piezoelectric material responds to applied electrical fields, converting them into mechanical vibrations which propagate through the material. These vibrations interact with the surface of the substrate to form a standing wave, which is a wave that appears to remain in a fixed position even as it propagates. The parameters of the standing wave, including its frequency and power, can be designed to filter out certain frequencies while allowing others to pass.

The B39291R984H110 is designed to have a wide frequency range and high selectivity, making it suitable for a wide range of applications. Its wideband characteristics also minimize the effects of signal interference. This makes it a popular choice for designers of wireless devices, who need reliable performance from their components.

The B39291R984H110 SAW filter is an effective way to optimize communication quality and performance in wireless devices. Its wide frequency range, high selectivity and wideband characteristics make it a versatile choice for many different applications. With its reliable performance and ease of use, it’s no wonder the B39291R984H110 is one of the most popular SAW filters on the market.

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