This dimmer for the 120 V (117 V) network was found in the magazine Electronics Now of August 1995. The triac is according to the load that must be ohmic.
The author of this 1995 article called it PWM, but it is really a switched source. The circuit...
This digital mixer uses CMOS integrated circuits. The circuit was published by us in a magazine...
Found in Popular Electronics from the 90s, this circuit can generate signals from 1 to 10 MHz...