Found in documentation from the 1970s, this circuit uses an oscillator and a display to warn of speeding. The circuit applies to cars with contact breaker.
This circuit for analog TV was found in an American documentation from the 90s. The circuit uses an...
The rectangular oscillator shown in the figure makes use of one of the four NAND ports of an...
This two-input limit detector was found in an American 1980s documentation. The circuit can be...