B39172B5121U410

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SAW filters (surface acoustic wave filters) have been used for decades in radio frequency (RF) and microwave applications as an essential building block in telecommunications systems. The B39172B5121U410 is a high-performance SAW filter that features a wide passband and high selectivity, enabling it to be used in many applications. This article explains the application field and working principle of the B39172B5121U410.

SAW filters are commonly used in the wireless industry for both radio receiver and transmitter signal processing. In the transmitter, SAW filters can be used to prevent unwanted out-of-band transmissions by selecting the desired frequency. In the receiver, SAW filters can be used to remove interfering signals and limit the band of frequencies that can propagate. The B39172B5121U410 SAW filter provides a wide passband of up to 20MHz and a high selectivity of up to 200dB for exceptional signal filtering. This makes the B39172B5121U410 ideal for a variety of wireless applications, such as mobile phone base station transceivers, wireless Local Area Network (WLAN) equipment, satellite communications equipment, and more.

The working principle of the B39172B5121U410 is based on the generation and propagation of surface acoustic waves. When a high frequency signal is applied to the filter, the acoustic waves generated travel along the surface of a piezoelectric substrate. As they propagate, the acoustic waves interact with regularly spaced metallic interdigital transducers, which selectively filter the signal based on its frequency. The B39172B5121U410 utilizes a sophisticated design of the transducer pattern to optimize selectivity while maintaining a wide passband.

In addition to its high frequency performance, the B39172B5121U410 offers excellent temperature stability over a wide range of operating conditions. This ensures reliable operation in temperature-variable environments. The device is also vibration-resistant, allowing the B39172B5121U410 to be used in harsh, highly mobile applications.

The B39172B5121U410 offers an outstanding combination of wide passband, high selectivity, and high temperature stability, making it an ideal choice for a wide range of wireless communication applications. Its reliable performance ensures reliable and consistent RF signal filtering, allowing wireless systems to operate at optimal performance.

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