This digital to analog converter circuit can use any digital switch IC. The circuit is from a July 1991 Radio Electronics magazine.
For triggering high-powered loads connected to the power grid, nothing better than using TRIACs. For...
This tube circuit is from an 80's documentation. The filter is of the selective type and the...
This circuit was obtained in a 90s EDN. The components used are from that time. The voltage...