B39941B5057U410

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Surface acoustic wave (SAW) filters are essential components in high-frequency radio communication and telecommunication systems that allow devices to function with minimal unwanted signal interference. The type B39941B5057U410 is a bandpass filter of SAW filters with an insertion loss of 12.2 dB, a passband of 3.6 dB, and a stopband of 35 to 45 dB.

The B39941B5057U410 is used in the field of radio communication and telecommunication systems. It can be used in a variety of mobile communication systems, including cellular radio systems, trunked communication systems, data communication systems, broadcast relay systems, and satellite communication systems. The filter can also be used in digital television (DTV) systems, reception systems for digital audio broadcasting (DAB), and personal digital video broadcasting (DVB-T and DVB-T2).

The working principle of the B39941B5057U410 is based on surface acoustic wave technology. This technology uses a piezoelectric substrate, such as quartz, to transmit high-frequency sound waves along its surface. When a RF signal is applied to the filter, it is converted to an acoustic wave by the piezoelectric substrate. This acoustic wave is then reflected off the stopband structures on the substrate, allowing only the desired frequencies to pass. The desirable frequencies have high transmission coefficients, whereas the undesirable frequencies have low transmission coefficients, resulting in efficient filtering performance.

The B39941B5057U410 is advantageous due to its superior repeatability, high stability, and low insertion loss. It also has a wide range of temperature stability (-40 to +85 °C) and a small size. The filter has a high level of EMI suppression and is capable of blocking unwanted frequencies at predetermined cutoffs while allowing desirable frequencies to pass. This filter is ideal for use in a range of applications that require high performance and high reliability.

In conclusion, the B39941B5057U410 is a type of SAW filter and it is used in the field of radio communication and telecommunication systems. Its working principle is based on surface acoustic wave technology where an acoustic wave is reflected off the stopband structures on the substrate. This filter is advantageous due to its high stability, wide range of temperature stability, and low insertion loss. It is ideal for use in applications that require high performance and high reliability.

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