This circuit, obtained from a 1965 magazine, can still be assembled using some modern equivalent components. The transistors may be BC558 and the transformer is obtained from a disused transistor radio.
This circuit was found in an Electronic Design from 1968. Its purpose is to produce synchronized trigger...
This micropower inverter serves to obtain high voltages with very low current from direct current...
Found in a 70s RCA manual, this circuit uses transistors from the era. Equivalent types can be...