Résumé
IEC 61196-1-113:2024 applies to coaxial communications cables. It specifies a test method for determining the attenuation constant of coaxial cables for use in communications systems. The test is applicable preferably at frequencies ≥5 MHz but also for lower frequencies if the magnitude of the complex characteristic impedance is approximately equal to the nominal characteristic impedance of the test sample (TS) or if a form fitting function is applied.
This third edition cancels and replaces the second edition published in 2018. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) add Clause 3 "Terms and definitions";
b) add Clause 4 "Test environment";
c) add Clause 5 "Preconditioning";
d) add Subclause 7.1 "General";
e) add detail test methods including 7.2 "long cable methods" and 7.3 "double-cable method";
f) add "Annex A Stability of attenuation constant at different temperatures";
g) add "Annex B Test examples of stability of attenuation constants at different temperature".
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