This powerful inverter provides a high-quality sine wave signal. I found it in a Radio Electronics issue from April 1991. The output power is 40W
Found in RCA documentation two years 70, this circuit triggers an incandescent lamp at dusk. The...
Found in Popular Electronics from the 90s, this circuit is based on a PLL567 and employs high-end or...
This circuit was obtained in an English publication of 1977. The operational is of the type with...