> The constant current leads to a constant voltage at the > external resistor. In fact you're subtracting a known > voltage from the EMF voltage you want to measure.
About like this: http://johannes.eventify.de/kiste-temp/Voltage_shifter.jpg Output voltage is about Vmotor-((control voltage/10kOhm)*100kOhm) Output voltage is always higher than control voltage. Rise the control voltage only to a level where output voltage stays about 1V above control voltage. Greets, Kiste -- You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
