Laird Technologies - RFSS - Salisbury Screens Absorbers
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RFSS - Salisbury Screens Absorbers
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RFSS

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RFSS screen absorbers are thin, extremely lightweight absorbers that are optimized to provide a high degree of absorption for specific frequencies in the range of 1 to 18GHz.
Construction consists of a conductive carbon coated “lossy” fabric, separated from a conductive ground plane by a low dielectric foam core. As a tuned (narrowband) absorber, the material must have an electrical thickness of 1/4 of a wavelength at the frequency of operation. This promotes signal attenuation by both energy dissipation within the “lossy” fabric material, as well as cancellation of the incoming and emerging signals at the surface, where they are 180° out of phase.
Through accurate control of the coating process used for the “lossy” fabric, absorption levels of greater than 20dB are easily and consistently achieved with a 10% bandwidth at the specified operating frequency. Other materials or combinations of attributes are available



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Item #

Item Name

Thickness

Length

Width

Frequency Range at 20db

Type

6827 RFSS - Salisbury Screens Absorbers 0.540 inches 24.0 Inch 24.0 inches 5.4 GHz N/A
6802 RFSS - Salisbury Screens Absorbers 0.250 inches 96.0 Inch 48.0 inches 9 GHz N/A
6803 RFSS - Salisbury Screens Absorbers 0.250 inches 24.0 Inch 24.0 inches 9 GHz N/A
6847 RFSS - Salisbury Screens Absorbers 0.250 inches 24.0 Inch 24.0 inches 9.4 GHz N/A
6848 RFSS - Salisbury Screens Absorbers 0.250 inches 24.0 Inch 24.0 inches 9.4 GHz Pressure Sensitive Adhesive
6852 RFSS - Salisbury Screens Absorbers 0.250 inches 24.0 Inch 24.0 inches 10 GHz N/A
6814 RFSS - Salisbury Screens Absorbers 0.180 inches 24.0 Inch 24.0 inches 16.7 GHz N/A
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