49L-CBSA-0.75X3.0X0.4

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RF Shields: Introduction

RF shielding products are designed to protect electronics from interference from radio waves. Shields are generally used for electromagnetic interface (EMI) protection and often referred to as EMI/RFI filters. RF shielding is a critical feature in many environments, including residential, commercial, healthcare, and industrial.

The electromagnetic fields that cause interference can be generated from a variety of sources, including power lines, broadcast equipment, mobile radio antennas, and other RF sources. Examples of shields that are used to protect these sources include absorber materials, metal meshes, Faraday cages, and conductive foam.

49L-CBSA-0.75X3.0X0.4: Application Field and Working Principle

The 49L-CBSA-0.75X3.0X0.4 shield is a medium-performance EMI/RFI shield that is designed for RF applications. It is typically used in electronic systems that come into contact with very strong RF signals, such as high-power base stations, cellular communication systems, and space applications.

The shield consists of a 0.75 mm thick stainless steel sheet that is formed into a 3 cm wide x 0.4 m long cylinder. It is designed to block RF signals by creating a physical barrier between the components and the outside environment. The stainless steel sheet is plated with a thin layer of nickel to provide additional attenuation of the electromagnetic fields. The nickel plating also helps to reduce the likelihood of corrosion.

The shield is effective over a wide range of frequencies ranging from 1 MHz to 3 GHz. It provides excellent attenuation of RF signals, with relatively low insertion loss. The 49L-CBSA-0.75X3.0X0.4 shield is particularly suitable for use in high-power systems, due to its ability to contain RF energy even in the presence of very strong external fields.

The 49L-CBSA-0.75X3.0X0.4 shield is simple to install and requires no additional components. It can be mounted either directly to the component or to the surface of a chassis or other enclosure. This makes it easy to integrate into existing systems and makes it suitable for both indoor and outdoor applications.

The 49L-CBSA-0.75X3.0X0.4 shield is a highly effective solution for blocking RF signals from interfering with electronic systems. It provides excellent protection from the damaging effects of high-power radio waves and can withstand even the strongest external signals. The shield is also easy to install and requires no additional components, making it an ideal choice for a wide range of applications.

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