What's more, the silly GND-GND circuit could be preserved, but using just one op...

		kazinator on Dec 10, 2018 \| parent \| context \| favorite \| on: Do I really need to get out the soldering-iron aga... What's more, the silly GND-GND circuit could be preserved, but using just one op-amp for it The liberated op-amp could be used to provide a stiff voltage reference from a 100K:100K voltage divider! Of course, all that is unnecessary.