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 power converter or inverter was found in a 1980s documentation. Transistors should be fitted...
When the power is turned on, the output of this circuit goes to the “1“ logic level by a time...
This circuit triggers the LED when the monitored battery voltage drops below 9 V for 12 V...