NBU-1012 discharge circuit

NBU-1012 discharge circuit is designed for simplification of solid-state laser systems development. The module forms quasi-rectangular pulses on a flashlamp (using energy stored in an external capacitor bank) and provides simmer current during the interval between pulses. By default, NBU-1012 includes capabilities both for serial and external triggering.

The flashlamp operating frequency and pulse duration is to be varied by +5 V TTL signal from an external control device to the respective pin.

The module includes IGBT, its driver, protective circuits, simmer and trigger circuits, discharge resistors and controls. It also contains a fan for active cooling.

Let us emphasize, the discharge circuit NBU-1012 is not a stand-alone solution. For proper operation it requires capacitor charging power supply and capacitor bank, an external control device to form the pulses, external +24 V DC power supply, as well as some minor parts (see also the picture below).

Simplified as well as more complicated modifications are available on request. We have also serial simplified model NBU-0808 discharge circuit, up to 800V, a bit less power output but interesting price.