Hossam Moghrabi

voltage current vegetek spice ltspice simulation engineering switch electrical contavt panle auxiliary panel contact motor transmit safe drop industrial 4-20ma transmitter transducer sensor wire line voltages 20ma instrument factory temperature 4-20 4ma plant valves pnumatic automation control valve mirror design stable source load circuit current source current mirror switching regulator voltage regulator lm317 smps linear vs switching compare linear regulator linear vegeta linear and swithcing regulator vs comparison switching current sense current sensing power resistor differential amplifier microcontroller opamp slides power point resistor op-amp measure sense arduino read shunt resistor