This circuit was found in a 1970s General Electric documentation. This circuit already used an emitting LED. The circuit operates at frequencies from 50 Hz to 50 kHz with short pulses
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...