20-CBSA-0.75X3.5X0.2

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RF Shields are common additions to electronic devices, to provide protection against unwanted radio frequency (RF) signals, and to guard against radiation. The typical mechanism is to wrap the device in a conductive material, which forms an effective barrier against electromagnetic radiation. In this article, we will discuss the application field and working principle of a type of RF Shield, designated 20-CBSA-0.75X3.5X0.2.

The 20-CBSA-0.75X3.5X0.2 is a tailored stainless steel shield, designed for electronic components and PCBs. It provides excellent attenuation performance, channelling the RF energy away from the components. The shield is constructed from a high-performance stainless steel structure, with a thick side wall for increased protection. The sidewall can also be customized to suit different mounting heights.

The 20-CBSA-0.75X3.5X0.2 shield is suitable for a wide range of antenna applications, including mobile base stations, remote radio units, hand-held radios, and consumer devices. It is also a suitable choice for large commercial systems, such as television broadcast towers and Wifi access points. The accuracy of the shielding performance can be precisely tuned, making it suitable for applications with very precise requirements.

The working principle of the 20-CBSA-0.75X3.5X0.2 shield is simple. It operates in two distinct stages:

First, the shield filters out undesired signals. This is done by surrounding the device with a layer of conductive material that prevents RF signals from getting through. The conductive material is partially permeable, allowing just enough signal to get through while blocking the rest.

Secondly, the shield absorbs unwanted signals. This is done by re-radiating the RF energy away from the components. The stainless steel structure\'s characteristics enable it to act as an absorber, converting the electric energy of an incoming signal into thermal energy and dissipating it away from the components.

In summary, the 20-CBSA-0.75X3.5X0.2 assists with improved RF performance in a wide range of settings. The shield works by filtering out undesired signals, while also absorbing and dissipating away any unwanted energy. This makes it a reliable and effective way to guard against radiation and ensure the proper operation of sensitive electronic components and systems.

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