I had found a simple circuit on the internet with two potentiometers to set the presets of a fresh installed lasertube, but i can't find it anymore..
Let me explain:
Say, your lasertube will start firing at 13% and will reach its maximum current at 92%.
This preset-circuit makes the spread from 13-92% equal to 0-100% of the controller, so 0.1% on the controller will be 13% at the powersupply and 100% from the controller will become 92% at the powersupply.
This presets only have to be set once, when the tube is installed.. After that you can program 0-100% full scale..
Has anyone find this too and know where it was? Ofcourse i can develop my own circuit, but better "stolen" good than though out bad..
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