B39901B8745P810

Series:	B8745
Part Status:	Obsolete
Frequency - Center:	836.5/881.5MHz
Bandwidth:	280MHz
Insertion Loss:	1.9dB
Ratings:	--
Applications:	Cellular, GSM
Mounting Type:	Surface Mount
Package / Case:	5-SMD, No Lead
Height (Max):	0.018" (0.45mm)
Size / Dimension:	0.055" L x 0.043" W (1.40mm x 1.10mm)

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What is a SAW Filter?

A Surface Acoustic Wave (SAW) Filter is an electronic device that, when paired with an oscillator, is used to process signals. It is capable of tuning, attenuating, and rejecting frequencies that can be used to help in the development of sensitive radio frequency communications technology.SAW Filters are used in many different types of devices, such as communication systems, radar systems, and medical equipment applications. This type of filter enables signals to be processed to the required frequencies with very high precision. They are often used in advanced signal processing and control applications.

B39901B8745P810 SAW Filter and Its Application Field

The B39901B8745P810 SAW Filter is a highly efficient surface acoustic wave filter. It is designed for cellular radios and other communication systems, as well as for a range of other applications. It is a miniature filter that has a low insertion loss and a wide stopband.This SAW Filter is a fast, efficient and precision filter. Its fully tuned frequency range of 369-390MHz is reliable and consistent over temperature. Thanks to its fast switching speed, it is suitable for applications where a high level of accuracy and reliability are needed over a wide range of temperatures.It is designed to be used with GSM/EDGE, WCDMA, LTE and many other cellular radio standards. It is also used in the development of wireless products, such as wireless doorbells, remote controls, and short-range radio devices. As well, it can be utilized in radio navigation, medical equipment, and other applications.

B39901B8745P810 Working Principle

A SAW Filter\'s working principle is based on the use of surface acoustic waves. These waves propagate on the surface of a crystalline material, such as quartz. They are generated by an electricity-induced physical effect.When signals are applied to the SAW Filter, they are then converted into acoustic frequencies. The acoustic frequency travels across the quartz crystal, pauses at certain points due to the ‘resonator’ effect, and then is converted back into electronic signals. The output then has a frequency response much higher than that of the input.The SAW Filter also acts as a filter, selectively tuning out or rejecting certain frequencies. Features such as bandwidth, selectivity, and passband ripple can also be adjusted.Overall, the B39901B8745P810 is a highly efficient SAW Filter. It is designed with a low insertion loss and a wide stopband, and can be used in both short- and long-range transmissions in a variety of areas. Thanks to its surface acoustic wave technology, it is able to process signals to desired frequencies with high precision, making it an invaluable tool in the development of sensitive radio frequency communications technology.

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