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#1
03-10-2010, 06:50 PM
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Scaling voltage
Say I have a voltage input from 4 to 4.5 volts. How would I convert that voltage to a range of of 0 to 5 volts? This isnt a signal but a voltage out of a barometric sensor.
Last edited by Razor Concepts; 03-10-2010 at 06:58 PM. 
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#2
03-10-2010, 07:37 PM
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Hello,
I would say subtract 4 Volts then amplify with factor 10. Greetings, Bertus
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#3
03-10-2010, 07:43 PM
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Thanks - so this is possible with resistor voltage dividers?
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#4
03-10-2010, 07:46 PM
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Hello,
Take a look at this page on summer with opamps from the Ebook: http://www.allaboutcircuits.com/vol_3/chpt_8/8.html An other approach can be a differential amplifier: http://www.allaboutcircuits.com/vol_3/chpt_8/9.html Greetings, Bertus
__________________
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