Feb 3, 2014 #1 N Nivii1406 Junior Member level 2 Joined Jun 8, 2013 Messages 20 Helped 2 Reputation 4 Reaction score 2 Trophy points 3 Activity points 126 Why is the output of log amplifier not perfectly linearized?
Feb 3, 2014 #2 G godfreyl Advanced Member level 5 Joined Apr 18, 2012 Messages 1,974 Helped 632 Reputation 1,266 Reaction score 621 Trophy points 1,393 Activity points 12,772 It's not supposed to be linear. What exactly is your problem?
Feb 3, 2014 #3 N Nivii1406 Junior Member level 2 Joined Jun 8, 2013 Messages 20 Helped 2 Reputation 4 Reaction score 2 Trophy points 3 Activity points 126 I'm sorry for the incomplete question. The log amplifier is attached to a thermistor
Feb 3, 2014 #4 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 53,108 Helped 14,792 Reputation 29,871 Reaction score 14,291 Trophy points 1,393 Location Bochum, Germany Activity points 301,064 Are you referring to a specific circuit or log-amplifier device? You didn't give the necessary information. The log amplifier is attached to a thermistor Click to expand... How is it "attached"? I guess soldered...
Are you referring to a specific circuit or log-amplifier device? You didn't give the necessary information. The log amplifier is attached to a thermistor Click to expand... How is it "attached"? I guess soldered...
Feb 3, 2014 #5 C chuckey Advanced Member level 6 Joined Dec 26, 2010 Messages 4,854 Helped 1,309 Reputation 2,624 Reaction score 1,281 Trophy points 1,393 Location Southampton and holiday cottage in Wensleydale (UK Activity points 31,695 You have to adjust the dc off set and exponent value to get a overall linear system. Fraank