B39440X6855M100

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Surface acoustic wave (SAW) filters are often used to filter particular frequencies out from a signal and pass the others on to a desired output. This type of filter has several advantages over traditional circuits, but requires a specialized technology to create. The B39440X6855M100 is a type of SAW filter, used by a variety of applications. This article will discuss the application field and working principles of the B39440X6855M100.

SAW filters, like the B39440X6855M100, are primarily used in communications systems. This is due to their ability to accurately filter specific frequencies while allowing the majority of the signal to pass through uninterrupted. They are commonly used in wireless reception systems like cellular phones, which need to separate out certain frequencies while allowing others to continue on. Similarly, they have application in television and internet satellite dishes to pick out signals from the noise. Radio receivers which are looking for a specific station over a range of other frequencies also utilize SAW filters.

The most common type of SAW filter is the bulk acoustic wave (BAW) varactor. This type utilizes a quartz crystal transducer to transmit an acoustic wave along a surface. A tunable oscillator is used to create a resonance within this wave, which can be altered to pick out a specific range of frequencies. The oscillator is set to the desired frequency and then the surface wave of the filter is created, picking out only those frequencies which fit within well-defined ranges.

The B39440X6855M100 filter is specifically designed for radio and satellite communications systems. It has variable ports on the sides, allowing it to be tuned to required signal outputs. The filter has a bandwidth of 240MHz and a working frequency of 825MHz to 1230MHz, allowing it to pick out particular signals of that range. The filter has excellent noise suppression characteristics, allowing for better signal clarity without distorting the output.

The filtering process in the B39440X6855M100 is done by using an electronic oscillator to vibrate a quartz crystal diaphragm at specific frequencies. The diaphragm will only vibrate at these specific frequencies, allowing only those signals to be amplified and filtered out. Other signals outside of this range will not be affected, allowing them to continue on their path without interruption. The output of the filter is then passed to the desired output device for further processing.

In conclusion, the B39440X6855M100 is a type of surface acoustic wave filter, designed for radio and satellite communications systems. It is able to accurately filter signals of a particular frequency range while allowing the remainder of the signal to pass uninterrupted. Inside the filter, an active electronic oscillator is used to vibrate a quartz diaphragm at specific frequencies, thus allowing for highly efficient signal filtering. This type of filter is of use in a variety of applications where filtering a signal of a particular frequency range is desired.

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