Q.
Provide instructions on how to measure impedance of a common mode filter / choke.
- EMC Components >
- Signal Line Common Mode Chokes/Filters
A. Common mode /Z/ is measured by connecting the filter/choke coil as in Fig. 1. Differential mode /Z/ is measured by connecting the filter/choke coil as in Fig. 2.
Fig.1. Common mode /Z/
Fig.2. Differential mode /Z/
