Using a 106 series SCR, this circuit was found in the May 1971 Radio Electronics magazine. The quiescent current is very low and is given by the value of R1.
Found in a QST from the 90's this circuit is suitable for the medium and short-wave range. |...
The circuit shown in figure 1 consists of an Inverter Module for CCFL Lamp that can be supplied with...
This circuit is based on the voltage reference that is uncommon today MC1403. Equivalents can be...