This old two-stage video amplifier uses integrated circuits that are not easily obtainable today. The circuit is for analog video and was found in an American 1980s documentation.
This CMOS Flasher was found in a Popular Electronics from 1978. It can still be easily assembled, as all...
This circuit was found in an old manual of linear integrated circuits of the 80's. Equivalent...
With this circuit you can control up to 3 A of LEDs in different sequences, using a PWM...