This circuit was found in the 1967 RCA SCR manual. The circuit generates approximately 300 V at a frequency of 1 kHz. The components are from the era.
This circuit was found in the March 1992 issue of Radio Electronics magazine. The 10-LED circuit has...
This circuit was obtained in an American publication of the time. Transistors are commonly used. The...
This circuit was found in an American audio documentation from 1968. The configuration can be...