Abstract
IEC 62037-3:2025 defines the impact test on coaxial connectors to evaluate their robustness against weak connections and particles inside the connector, as independently as possible from the effects of cable passive intermodulation (PIM). For other connectors (e.g. panel mounted connectors), the cable can be replaced by an adequate transmission line (e.g. airline, stripline). In order to evaluate the effects of mechanical stresses on the connectors, a series of impacts is applied to the connectors while measuring the PIM.
This third edition cancels and replaces the second edition published in 2021. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) impact test requirements for multi-channel connectors added;
b) method for calculating impact energy added for connector shapes other than round;
c) revised test considerations for achieving maximum PIM in reverse (reflected) PIM measurements;
d) added clarification that PIM tests reports shall include the maximum PIM value measured.
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