AFS14A30-2185.00-T3

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Surface acoustic wave (SAW) filters are components in electronic systems that process signals, such as radio frequency (RF) or audio, and enable communication between different parts of the system. They are used in a variety of applications including television, radar, telecommunication and audio systems. The AFS14A30-2185.00-T3 is an example of an RF SAW filter that is used in wireless applications. This article will discuss the application field and working principle of this particular filter.

Application Field of AFS14A30-2185.00-T3

The AFS14A30-2185.00-T3 SAW filter is a high performance RF filter that is designed for use in wireless applications. It is designed to reduce interference in the 4G and 5G frequency bands, such as LTE, WCDMA, and GSM. The filter has low insertion loss and high selectivity, and it can be used in base stations, repeaters, and Femtocells. It is also suitable for use in other types of wireless applications, such as WiFi and WiMAX.

Working Principle of AFS14A30-2185.00-T3

The AFS14A30-2185.00-T3 is an RF SAW filter that operates on the working principle of propagating acoustic waves on a piezoelectric substrate. It has two input ports and one output port, and it works by passing signals through these ports and filtering out any unwanted frequencies. The acoustic waves interact with the substrate, causing it to vibrate, which filters out the unwanted frequencies.

The filter is constructed using a number of components, including a piezoelectric substrate, a cover, wires, and ground plates. The cover helps protect the filter from any environmental factors, and the wires and ground plates are used to connect the filter to the other components of the system. The substrate is composed of a material such as quartz or LiTaO3, which allows for the propagation of the acoustic waves.

The operation of the filter is based on the principle of frequency selectivity. The resonant frequency of the filter is determined by the thickness of the substrate and the size of the interdigital transducer (IDT). The IDT is a patterned metal structure that is deposited onto the substrate and acts as an antenna, radiating and receiving acoustic waves. By controlling the thickness and size of the substrate and IDT, different filter responses can be obtained. The frequency responses of the filter can be adjusted by varying the size of the IDT or the thickness of the substrate.

Conclusion

The AFS14A30-2185.00-T3 is an RF SAW filter designed for use in wireless applications. The filter operates on the working principle of propagating acoustic waves on a piezoelectric substrate. It is constructed using a number of components, including a piezoelectric substrate, a cover, wires, and ground plates. The filter has low insertion loss and high selectivity, and is suitable for use in base stations, repeaters, and Femtocells, as well as other types of wireless applications.

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