Hi guys,

I was wondering if someone could help me solve one of my problems in one of my projects. I have a 5V from a u-controller as a Vin in an inverting amplifier. Now i want that 5V to be negative voltage, so the output will be positive voltage. I can’t use a non inverting amplifier because of the gain formula.

Anyone has any idea how to convert from positive voltage to negative voltage?

Thanks a lot,
8n0

 

The link to the Ebook here - http://www.allaboutcircuits.com/vol_3/chpt_8/6.html - tells you how to make an non-inverting amplifier with gain. That should solve your problem.