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how to convert analog output voltage (3V to 5V and 4.6V to 5V) to (0V to 5V)

maxima_diesel

Feb 16, 2012
3
Joined
Feb 16, 2012
Messages
3
Hi I just wanted to convert the output voltage of the circuit I have made to a wider range of 0V to 5V. I would need this output to be analog, so the output shouldnt be 0V OR 5V. I have two circuits, the first one's output range is 4.6V to 5V and the second has a range of 3V to 5V. How would you change those output to 0V to 5V?. Thanks a lot in advance.
 

duke37

Jan 9, 2011
5,364
Joined
Jan 9, 2011
Messages
5,364
Give us a diagram of your circuits so we can advise.
What is the input voltage range?
 

maxima_diesel

Feb 16, 2012
3
Joined
Feb 16, 2012
Messages
3
Give us a diagram of your circuits so we can advise.
What is the input voltage range?

setup: http://letsmakerobots.com/files/user..._Schematic.jpg. I've to modify that circuit because the IR emitter is not connected to a microcontroller in my design, and the analog output is not connected to a microcontroller either. With this setup output is definitely analog but the range is 3V to 5V, but I need an analog output to be 0V to 5V. thanks for your reply
 
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