| Electronics > Beginners |
| Struggling w. a Single Supply Integrator |
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| rstofer:
Maybe it's complicated like Maxim says in this white paper: https://www.maximintegrated.com/en/app-notes/index.mvp/id/1155 I was thinking about using modern single rail op amps for another analog computer. I think I'll give that a pass. |
| bson:
--- Quote from: eev_carl on December 12, 2018, 12:22:08 pm --- --- End quote --- You're using the V2 node for a supply voltage while V2 is actually a voltage source, not a node name... Not sure what Spice will do in this case, but quite probably not anything reasonable. (The reasonable behavior IMO would be to produce an error.) |
| rstofer:
Right, use an OUTPUT port where you generate Vref and an INPUT port at the op amp. The port icon is on the toolbar between Gnd and Resistor. |
| Wimberleytech:
--- Quote from: rstofer on December 14, 2018, 06:51:27 pm ---Right, use an OUTPUT port where you generate Vref and an INPUT port at the op amp. The port icon is on the toolbar between Gnd and Resistor. --- End quote --- Ditto...I simulated it with ports configured properly and it works fine. |
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