The RF choke is a coil of wire that is used to filter out radio frequency interference. It is located between the contact points and the base of the key. This document shows the 4 different versions of the implementation of such Funkenlöschung + Entstörung hosted below the key, as of 16/04/1974.
The RF choke is a coil of wire that is used to filter out radio frequency interference. It is located between the contact points and the base of the key. This document shows the most common implementation.
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73, TOM DG5CW +