EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 62037-3 testing. This part of IEC EN 62037 defines the impact test on coaxial connectors to evaluate their robustness against weak connections and particles inside the connector, as independent as possible from the effects of cable PIM (passive intermodulation).
For other connectors (eg panel mount connectors), the cable can be replaced with a suitable transmission line (eg airline, ribbon line). To evaluate the effects of mechanical stresses on connectors, a series of pulses are applied to the connectors while measuring the PIM.
The falling mass is a steel ball, ensuring that no sharp edges can damage the DUT, minimizing the variation in impact force. The steel ball is released remotely via a solenoid to prevent impact force variation due to manual actuation. The impact points should cover as many different areas as possible along the length of the connector, but it is not necessary to rotate or otherwise disconnect and reposition the DUT.
The energy on impact is intended to mechanically shock the DUT by accelerating the connector body. Because the mass of a connector is roughly proportional to the physical size of the connector, the impact energy can be scaled with the size of the connector. For the male connector, the distance between the flats of the switch can be used as a basis for comparison. For round connectors, the diameter of the outer casing of the male connector can be used.
A short assembly should be tested to minimize the impact of the transmission line. The same connectors must be installed at each end. An assembly should be constructed as short as it is physically practical.
A single connector may be installed on a length of transmission line where it is designed for loss or low loss, exhibiting at least 10 dB attenuation in one direction at the lowest frequency in the receiver band. Due to the phase interference of the connectors and the length of the transmission line when measured in reverse (mirrored) mode, the frequency at which the maximum PIM occurs in the band can vary and must be determined.
EUROLAB assists manufacturers with IEC EN 62037-3 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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