Found in a 90s Elektor, this mixer makes use of integrated circuits of the time. The supply must be symmetrical at 15 V.
We found this circuit in a 1965 Electronic Design. Transistors are still common but admit...
In the figure we have the way to obtain a voltage indicator for a 3-terminal voltage regulator. The...
August 2016 - Mouser announced the availability of the new capacitors high voltage HV series...