B39202B9605P810A99

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SAW filters are an integral part of many electronic devices, ranging from phones and consumer electronics to medical and industrial devices. They are used to ensure that only desired frequencies can pass through a circuit while blocking out other frequencies. The B39202B9605P810A99 is a type of SAW filter used to filter out certain frequencies, allowing the signal to pass cleanly without interference from unwanted frequencies.

The B39202B9605P810A99 is a three-terminal Surface Acoustic Wave (SAW) filter. It is constructed of a quartz substrate and patterned metal layers. The filter has a built-in 2-pole high-pass, low-pass, and bandpass filter with a center frequency of 39.2MHz and a passband width of 2-95MHz. It is designed to have very low insertion loss and high selectivity, ensuring that only desired frequencies can pass through with minimal distortion.

The B39202B9605P810A99 has a wide range of applications, from communications devices such as mobile phones and modems to industrial and medical devices. It is used in combination with other filters to provide maximum signal isolation and is particularly useful for blocking out unwanted frequencies in high-noise environments. In medical applications, it is used to suppress noise in Electrocardiogram and Magnetic Resonance Imaging systems. It is also used in the automotive industry to filter and clean signals from suspension systems and brake pedals.

The working principle of the B39202B9605P810A99 is based on the interaction of metallic layers and the piezoelectric effect of the quartz substrate. When a voltage is applied, the layers interact with the quartz substrate to create a standing wave that filters out certain frequencies while allowing desired frequencies to pass through. The frequency range is determined by the physical properties of the quartz substrate and the metal layers, and can be tuned to specifications by varying the dimensions of the quartz substrate and metal layers.

In conclusion, the B39202B9605P810A99 is a three-terminal SAW filter used to filter out or block certain frequencies. It has a wide range of applications in the field of communications, medical, and automotive engineering. Its working principle is based on the interaction of metallic layers and the piezoelectric effect of the quartz substrate.

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