AT86RF401U-EK1

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RF Evaluation and Development Kits, Boards are the essential tools for embedded application in many fields: Wireless Network, Telecommunication, Industrial Control & Automation, Monitoring & Security, Medical Science and Wearable Technology, etc. As a leading product in the field, AT86RF401U-EK1 has been broadly deployed in many industrial areas. This article explores its application field and working principle.

To use AT86RF401U-EK1, one must first understand its target application and board configuration. It is mainly used as an evaluation & development kit for AT86RF401U-MR3 radio transceiver, a high-performance single-chip SoC for 2.4GHz IEEE 802.15.4 applications. The AT86RF401U-EK1 is an 8-layer board that consists of an FR4 base, four FR4 layers and four RF layers. It includes a two-way power supply with input and output filter, antenna switch module, radio transceiver and shield for maximum performance.

The AT86RF401U-EK1 is designed to evaluate and demonstrate the capabilities of the AT86RF401U-MR3 radio transceiver. It runs on a 3.3V power supply and supports a frequency range of 2.4GHz – 2.48GHz with adjustable output power from +2dBm to +15dBm. It features an integrated PA/LNA (Power Amplifier/Low Noise Amplifier), a dual-mode power-saving mechanism, an on-chip antenna switch, and a differential antenna interface. Furthermore, the board has been designed to minimize interference from other RF sources, so as to achieve a good signal-to-noise ratio.

The AT86RF401U-EK1 board supports several modes of operation for the AT86RF401U-MR3 radio transceiver, including basic 802.15.4, point-to-point, point-to-multi-point, and multi-node communication. The board is fully compatible with the ZigBee Pro Feature Set, allowing for the development of a complete ZigBee system. In addition, the board can be tailored to meet the specific requirements of each application – from range, data rate, and throughput to power-saving strategies and antenna configuration.

The working principle of AT86RF401U-EK1 is quite simple. The PA/LNA provides an integrated RF front-end for reliable transmission and reception of the radio waves. The integrated antenna switch is used to switch between the antennae, ensuring the optimal performance in each communication mode. The on-chip shielding provides protection from external sources of electromagnetic interference (EMI). By taking advantage of the board’s features, one can achieve quick conversions and robust system performance with minimal interference and power consumption.

Some of the applications of the AT86RF401U-EK1 board include wireless sensor networks, smart homes and offices, and wireless industrial control and automation. The board is also useful for monitoring and security systems, such as security systems for airports, hospitals, and other public places. Furthermore, the board can be used for the development and optimization of medical equipment, such as heart-rate monitors, glucose monitors, temperature sensors, and blood-pressure monitors.

In conclusion, the AT86RF401U-EK1 board is a powerful and versatile tool for evaluating and developing radio transceivers and wireless systems. Its simple design and wide range of features make it suitable for a broad range of applications. With this board, one can quickly deploy a system that achieves optimal performance with minimal interference and power consumption. Thus, AT86RF401U-EK1 board is an essential tool for embedded applications in many fields.

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