B39311B3738H110

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SAW Filters have become an integral part of electronic systems across a variety of applications. They are widely used in wireless communication systems, medical imaging equipment, avionics, automotive entertainment systems, and industrial control systems. The B39311B3738H110 SAW Filter is an example of a miniature, programmable surface-acoustic wave (SAW) filter designed for demanding wireless mobile applications operating between 700 MHz and 2.1 GHz.

SAW filters are filters based on the use of surface acoustic waves on a piezoelectric substrate. A piezoelectric substrate causes compressive and tensile stress in response to an electric field. A surface acoustic wave (SAW) is created when the tensile stress is greater than the compressive stress. The SAW is then coupled with the piezoelectric substrate and can filter a wide range of frequencies. The SAW filters are designed to have a predetermined shape, with a certain amplitude response, and a certain frequency selectivity, so that they can be used for various applications.

The B39311B3738H110 SAW Filter is designed to offer high performance along with a low power consumption in a miniature package. The filter is programmable, allowing automatic frequency switching and dynamic filter control. This makes it ideal for high performance wireless systems, where the operating frequency may need to be changed on the fly. Additionally, the device provides low insertion loss, high selectivity and excellent temperature stability. It is also able to provide a range of passband characteristics, depending on its configuration.

The filter works by receiving an input signal, which is then divided into two parts using a Y-splitter. The two signals are then sent to two oscillators. One oscillator is connected to the center frequency of the bandpass filter, and the other to the bandwidth of the filter. The two signals are combined in a differential amplifier, and then sent to the SAW filter. The SAW filter has two sets of interdigital electrodes, which are connected to the oscillators. The center frequency of the filter is controlled by varying the width of one of the electrodes, while the bandwidth is changed by varying the width of the other electrode. Finally, the output signal is sent to a transducer.

The B39311B3738H110 SAW Filter is used in a wide range of applications, including cellular phones, base stations, Bluetooth® and WiFi® applications. It is ideal for use in dense radio frequency environments, where high selectivity and low insertion loss are required. The filter is also optimized to handle wide bandwidth wireless applications, such as WCDMA and TD-SCDMA. Its compact size makes it well suited for use in mobile devices, and its low power consumption makes it an ideal choice for applications in battery powered devices. The filter can also be used in a variety of industrial and medical applications, where it can provide excellent filtering performance.

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