This TTL sequential flasher circuit was found in the January 1981 issue of Radio Electronics magazine. It is powered by 5 V. The frequency can be adjusted by R1.
This crystal oscillator was found in the February 1968 issue of Radio Electronics magazine. Its...
This xenon flasher version for the power grid is from an 80's EDN. The circuit uses a folder and a...
This circuit is from a factory documentation (National Semiconductor) of the 80's. The power...