Jul 6, 2006 #1 M melodyseu Junior Member level 3 Joined Jul 22, 2004 Messages 31 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 233 Help! How to generate a voltage propotion to temperature except using bandgap in a easy way?
Jul 6, 2006 #2 V venkateshr Member level 3 Joined Feb 1, 2005 Messages 63 Helped 3 Reputation 6 Reaction score 2 Trophy points 1,288 Activity points 503 non inverting opamp with feedback resistor as Rtd and one more resostor for getting the gain say R2. now my o/p = (Rtd/R2+1)Vin . keep Vin=1v. so op is prop to Rtd which is prop to temp. u can use the inverting stage too
non inverting opamp with feedback resistor as Rtd and one more resostor for getting the gain say R2. now my o/p = (Rtd/R2+1)Vin . keep Vin=1v. so op is prop to Rtd which is prop to temp. u can use the inverting stage too