SF2143B

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RF Diplexers provide a form of frequency-division multiplexing (FDM) that allows two signals to be combined on a single line. The SF2143B is a high-performance, low cost, RF diplexer based on surface-mounted technology. It can handle frequencies up to 2.143GHz.

RF diplexers are frequently used in wireless networking for two reasons. First, they enable two signals (Tx and Rx) to share the same antenna, allowing more efficient use of the available resources. Secondly, they also facilitate the use of multiple wireless protocols on the same physical medium. By dedicating one band for each protocol, they allow multiple protocols to coexist without interfering with each other.

At its core, an RF diplexer consists of two separate filters that are arranged such that each filter masks the other’s signal. The two filters are connected together with a common coaxial connector, and the signal is passed through the common connector. Each filter is tuned to a different frequency or range of frequencies, with each frequency passing through one of the two filters. By tuning the two filters to different frequencies, the device suppresses the other’s signal.

The SF2143B features two filters that are independently tunable over the range of 700 to 2190MHz, allowing for flexible frequency division multiplexing. It also features a low insertion loss, making it ideal for applications where high power is required. Additionally, it is highly immune to interference from other signals, resulting in a very clean transmission. Furthermore, its high linearity and low harmonic distortion make it well-suited for broadband applications.

The SF2143B offers excellent thermal stability, making it suitable for harsh environmental conditions. It also has a compact size, making it ideal for applications where space is limited. Additionally, it features a low-profile design, allowing it to be easily mounted on circuit boards or other surfaces. Finally, the SF2143B is also provided in a wide range of configurations, allowing users to customize it to their specific needs.

In summary, the SF2143B is a high-performance, low-cost, RF diplexer. It features two independently tunable filters that can handle frequencies up to 2.143GHz. It also provides excellent thermal stability, high linearity, low harmonic distortion, and low insertion loss. Additionally, its compact size and low profile make it well-suited for applications where space is limited. Finally, its flexible configurations make it perfect for applications that require customization.

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