Found in a 73 magazine for radio amateurs of the 90s, this circuit provides a 2 kV voltage with 7.5 mA of current for HeNe laser.
This circuit was found in a 1968 Motorola documentation. The circuit can be implemented with...
This simple circuit was found in the November 1992 issue of Radio Electronics magazine. It...
We found this circuit in an old documentation. Its purpose is to turn on warning lights when the...