It is a analog wave to digital wave. Thankyou for the solution, Hurz. :-) I'm trying to help Fowl77 Of a analog to digital converter. It uses a positive feedback for an absolute digital converter. It is efficient from the 5kΩ resistor to amplify with two transistors to the output. I changed it, so there is no pointless positive input feedback and I made an extra transistor to turn the output back "off"(inverter) mainly every inverter makes it higher of a digital funtion.
