B39440X6965D100

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Surface Acoustic Wave (SAW) filters are an important component of a wide range of electronic systems and products, often serving as a first-stage filter of a system. This type of filter works by using surface acoustic waves to filter out signals of certain frequencies. The B39440X6965D100 is a SAW filter designed with a center frequency of 2.4GHz, suitable for high frequency applications and offering excellent filtering performance due to its extremely low insertion loss.

The B39440X6965D100 offers a wide range of applications, covering many different types of communication systems. It is particularly suitable for applications that require a high reduction in out-of-band interference. These include Bluetooth, Wireless Local Area Networks (WLAN), and Ultra Wideband (UWB) systems, where it can reduce frequency hopping between Bluetooth devices or WLAN nodes or improve the error vector magnitude of the UWB signal. In these applications, the B39440X6965D100 can ensure that the received signals are clear and free from interference. It can also be used in automotive systems, where it can reduce the interference caused by adjacent vehicles, and in telecommunication, satellite, and radio networks for signal filtering.

The working principle of the B39440X6965D100 SAW filter is based on the propagation of surface acoustic waves along a piezoelectric substrate. This substrate is made from materials such as quartz, lithium tantalate, or lithium niobate and it has electrical properties that enable it to support acoustic waves. A single input signal is applied to a signal terminal, which excites the substrate and causes surface acoustic waves to propagate along it. These waves propagate at a specific frequency and they interact with electrodes on the substrate, preventing the passage of signals of other frequencies. As a result, only signals of a specific frequency are allowed to pass. The output signal is then extracted from the filter’s output terminal.

In summary, the B39440X6965D100 SAW filter is a highly effective filter with a wide range of applications. It is a great choice for high-frequency systems that need to reduce out-of-band interference or improve signal clarity. Its working principle is based on the propagation of surface acoustic waves along a piezoelectric substrate, allowing only signals of a specific frequency to pass. The filter offers excellent performance due to its low insertion loss and is suitable for use in a range of communication systems, including Bluetooth, WLAN, and UWB systems.

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