Found in a 1969 EEE, this circuit converts input pulses into linear sawtooth signals, as shown in the graphs beside the diagram.
This fast converter using operational was found in a 70s American documentation. The circuit can be...
This circuit uses two sensors that are placed at the intersection of a miniature railroad, causing the LED...
This RF wattmeter was found in an American 1980s documentation. The components are common and the...