IEC 60153-4 Ed. 4.0 b:2022

Current Revision
Hollow metallic waveguides - Part 4: Relevant specifications for circular waveguides

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Hollow metallic waveguides - Part 4: Relevant specifications for circular waveguides

PUBLISH DATE 2022
PAGES 34

Hollow metallic waveguides - Part 4: Relevant specifications for circular waveguides

IEC 60153-4:2022 specifies straight hollow metallic tubing of circular cross section for use as waveguides in electronic equipment.

The aim of this document is to specify the hollow metallic waveguides:

  • a) the details necessary to ensure compatibility and, as far as essential, interchangeability;
  • b) test methods;
  • c) uniform requirements for the electrical and mechanical properties

This document is intended to be read in conjunction with IEC 60153-1, which gives general requirements and test methods.

This fourth edition cancels and replaces the third edition published in 2017.

Edition changes:

  • a. change of the designation scheme for small circular waveguides (e.g. C 25.5k instead of C 25500);
  • b. revision of Table 1:
    • correction of two waveguide designations (now C 1.2k, C 12k);
    • correction of three waveguide diameters (C 140, C 1.4k, C 14k);
    • tightening of inner diameter tolerances for waveguides smaller than C 890;
    • deletion of waveguide attenuation values for aluminium, gold, and brass;
  • c. deletion of Table 2 (duplication) and replacement with the table of intermediate waveguide sizes originally envisaged here;
  • d. addition of an equation for calculating the attenuation of waveguides made of any material.
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