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e-peas EVK30940 868MHz Evaluation Board is a complete reference circuit based on the AEM30940 RF Energy Harvesting IC. The AEM30940 is an integrated Ambient Energy Manager (AEM) that can extract DC power from a piezo generator, a microturbine generator, or any other high-frequency RF input, simultaneously storing energy in a rechargeable element and supplying the system with two independent regulated voltages.
The e-peas EVK30940 868MHz Evaluation Board allows users to demonstrate the features of the AEM30940 and analyze its performances in a laboratory-like setting. It includes two matching networks and rectifiers for a 50Ω single-ended antenna. The EVK30940 allows for easy connection to the RF energy harvester, the storage element, and the low-voltage and high-voltage loads. The Evaluation Board also provides configuration access to set the device in any one of the modes described in the datasheet. The MPPT ratio is fixed at 50% to optimize the rectifier efficiency. The control and status signals are available on standard pin headers, allowing users to wire for any usage scenario and evaluate the relevant performance.
