![operational amplifier - Output of Inverting opamp with single supply - Electrical Engineering Stack Exchange operational amplifier - Output of Inverting opamp with single supply - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/MuS4P.png)
operational amplifier - Output of Inverting opamp with single supply - Electrical Engineering Stack Exchange
![For a single-supply inverting op amp (in this case 9V), I often see a resistor connecting +in to virtual ground – but not always. Is there a handy rule for determining the value of this resistor? Does it have some relationship to the input and feedback resistors ... For a single-supply inverting op amp (in this case 9V), I often see a resistor connecting +in to virtual ground – but not always. Is there a handy rule for determining the value of this resistor? Does it have some relationship to the input and feedback resistors ...](https://preview.redd.it/fzo65a3ht5781.png?auto=webp&s=9d2e7c69b83db59c75146098f288cb344c33e439)
For a single-supply inverting op amp (in this case 9V), I often see a resistor connecting +in to virtual ground – but not always. Is there a handy rule for determining the value of this resistor? Does it have some relationship to the input and feedback resistors ...
How do I power my opamps with only a 24V dc supply | Electronics Forum (Circuits, Projects and Microcontrollers)
![operational amplifier - Single Supply Op - Amp circuit not working - Electrical Engineering Stack Exchange operational amplifier - Single Supply Op - Amp circuit not working - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/E4J7l.png)