The document is applicable to the variation of group delay of a wave propagated in waveguide or waveguide assemblies. The objective of the test procedures given below is to characterize the group delay variation of a wave propagated in waveguide or waveguide assemblies.
DIN EN 61580-3:1998 history
1998DIN EN 61580-3:1998-03 Methods of measurement for waveguides - Part 3: Variation of group delay (IEC 61580-3:1997); German version EN 61580-3:1997
1998DIN EN 61580-3:1998 Methods of measurement for waveguides - Part 3: Variation of group delay (IEC 61580-3:1997); German version EN 61580-3:1997