Found in an American 1980s documentation, this circuit generates high-intensity pulses for a high-voltage laser. The circuit produces 200 to 300 V pulses for excitation of a gas laser.
This circuit was found in an old documentation and can be implemented with BC549 transistors. The...
This mid-waveband receiver was found in a book on transistors from 1954. The antenna coil is of...
Old multimeters used a 22.5 V battery for high resistance measurements. If you have one, you...