B39901B8763P810S1

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Surface-acoustic wave (SAW) filters are the kind of electronic filtering components used in the radio frequency (RF) spectrum and above. They are also known as acoustic-filter and surface-wave filter. In general, the SAW filters work on the principle of converting analog electrical signal in an antenna to acoustic waves on the surface of a piece of piezoelectric material and then using it to filter out undesirable frequencies.

The B39901B8763P810S1 is a type of SAW filter developed by Bourns® for commercial use. It is specifically designed for applications that require a high degree of frequency stability or narrow selectivity. This filter has a center frequency of 810 MHz with a very tight passband of ± 1 dB, which is 50 times narrower than the similar SAW filters on the market.

The filter is suitable for applications that require higher frequency stability and narrow selectivity, such as mobile phones, RFID, WiFi and other communications systems. It is also applicable to switching power supplies, gaming consoles, medical equipment and other consumer electronics.

The working principle behind the B39901B8763P810S1 filter is relatively complex. The signal from the antenna or input source is first converted into acoustic waves by an input acoustic transducer on the filter. The acoustic waves are then propagated across the surface of the piezoelectric device as semi-symmetrical travelling waves. The frequency response of the travelling waves is determined by the number of transducers, the material property and other parameters.

The travelling waves enter the receive transducer where they are converted back into electrical signals before being amplified and sent to the output. This process eliminates the unwanted frequencies while allowing the desired frequencies to pass through. The output is an electrical signal with reduced undesired noise.

The B39901B8763P810S1 filter is typically used in applications that require narrow passbands and high selectivity. It is also used in applications that require increased frequency stability and low phase noise. It offers excellent performance with low cost, allowing manufacturers in the industry to develop commercial devices with improved features.

In addition, the filter has a high stability over temperature and a wide operating temperature range. It can also be pre-programmed according to the customer\'s needs. This device is suitable for use in applications such as radio receivers, radar, WiFi/LTE/4G antennas and digital video broadcasting applications.

All in all, the B39901B8763P810S1 is a high performance SAW filter that is suitable for various applications. It is cost-effective and offers excellent frequency stability and selectivity, making it an ideal choice for consumer electronics, communications systems, and other applications that require high performance filters.

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