This timer for long time intervals is from the 1990 Motorola Linear Databook. The setting applies to other operational ones and component values are given below the diagram.
This Japanese commercial medium and short-wave radio uses 7 transistors and tunes the range from...
This control circuit for incandescent lamps was found in a publication from the 90s. The circuit uses...
This transmitter with counterphase oscillator was obtained in a documentation from the 90s. The...