How Edge-Plating Contacts Improves Reliability of Attenuators

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  • Author: Tibor Urbanek & Mark Dvorak

In RF systems, attenuators are an essential building block. They are used to lower the level, and hence the power, of a signal by a per-determined amount. This can be used to improve impedance matching, to protect sensitive equipment such as measuring devices from excessively high inputs that might cause damage, and to increase the reliability and quality of critical systems.
For applications where high reliability is required, such as military or aerospace, how can designers ensure they are purchasing RF attenuators that meet their standards? In this article, we’ll look at how the QPL standards define the performance and quality of attenuators, and how a new manufacturing technique developed by Bel can substantially improve reliability.

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