23-CBSA-1.0X2.75X0.25

Series:	20-CBS
Part Status:	Active
Type:	Shield, 2-Piece
Height - Overall:	0.250" (6.35mm)
Length - Overall:	2.750" (69.85mm)
Width - Overall:	1.000" (25.40mm)
Ventilation:	Non-Vented
Mounting Type:	Surface Mount, Through Hole

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Introduction

RF shields, also known as radio frequency shields, are specialized covers designed to block, reduce, or attenuate the transmission of radio waves from receiver to transmitter. By using RF shield technology, signal interfering sources such as radio frequency energy, static electricity, electrical noise, and electromagnetic radiation can be significantly reduced. The primary purpose of RF shields is to block RF energy and enable the easy interpretation and understanding of the radio signals without any interference.

23-CBSA-1.0X2.75X0.25 Application Field and Working Principle

The 23-CBSA-1.0X2.75X0.25 is 45 degree angled RF shield commonly used for the blocking of frequencies ranging from 50 MHz to 1 GHz. The device is made of aluminum sheet, and is laser cut to have clean and precise openings throughout, which allows minimal contact between the shield and the surrounding environment. This contact minimizes losses and leaves an effective shielding efficiency of up to 65 dB.The device works by redirecting and blocking line-of-sight energy transmission from the transmitting antenna, thereby reducing or eliminating the transmission power received at the receiving antenna. The device’s high-frequency absorber layer absorbs the transmitted radio frequency energy while the reflecting layer reflects off the unwanted signals. This combination of reflecting and absorbing creates an environment that effectively eliminates interfering radio signals.

Advantages of Using 23-CBSA-1.0X2.75X0.25

There are several advantages to using 23-CBSA-1.0X2.75X0.25. One advantage is its ability to reduce signal-to-noise ratio, thereby improving signal clarity and reducing distortion. The device also reduces interference from foreign sources, such as cellular phones, vehicle radios, and other RF sources. Furthermore, its configuration allows convenience in installation and relative simplicity of design and construction. In addition, the shield also provides an effective means of shielding against high-frequency electromagnetic fields generated by radio frequency receivers and transmitters, while maintaining a low-impedance connection for the paths of energy that have been blocked. This helps to ensure a safe and effective electromagnetic environment for users and their equipment.

Conclusion

The 23-CBSA-1.0X2.75X0.25 is a practical and economical solution to blocking or reducing interference from radio frequency signals. Its design ensures effective blocking of the unwanted signals, reducing signal-to-noise ratio and interference, and providing improved signal clarity and fewer distortion. Furthermore, its configuration allows for quick and easy installation and maintenance. This makes it an ideal choice for applications where RF protection is needed.

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