EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 62779-2 testing. IEC EN 62779-2 defines a measurement method for the electrical performances of an electrode forming a semiconductor interface for human body communication (HBC). In the measurement method, a signal transmitter is electrically isolated from a signal receiver so that an isolation condition is maintained between the transmitter and receiver to accurately measure the electrode's performances. This section contains the general and functional characteristics of the measurement method.
HBC uses a user's body as a transmission medium using near-field coupling within the body: a signal transmitter and receiver are interconnected via a near-field created within the human body and air. The intensity of the near field is especially strong inside the body due to the high dielectric constant of the body, so a data signal is transmitted from the human body by modulating the near field.
A signal transmitter and receiver for the HBC include an internal ground, respectively, and in most HBC applications, the grounds are separated from each other keeping the connection condition by air. The quality of a data transmission is highly dependent on the degree of connectivity between the bases; it is therefore important to maintain the degree of coupling between the grounds of a signal transmitter and receiver for accurate measurement of electrode performances. This section describes a measurement method for measuring the electrical performances of an electrode while maintaining the degree of connection between the grounds of a signal transmitter and receiver.
EUROLAB assists manufacturers with IEC EN 62779-2 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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