| Electronics > Beginners |
| opamp simulation |
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| Jay_Diddy_B:
See attached model. You need to take the inputs off ground. You can't amplify a negative signal. Regards, Jay_Diddy_B |
| Jay_Diddy_B:
For the loop response. Use this model. You will get: Regards, Jay_Diddy_B |
| Wimberleytech:
--- Quote from: promach on April 13, 2019, 11:58:56 pm ---The mosfet_018.lib is posted in this forum thread. I think third post. Look carefully. --- End quote --- I deleted that comment right after posting it. You saw it before I deleted. |
| Jay_Diddy_B:
Here is an interesting thing to try. Step the bias current: You will see you get higher GBW for higher Ibias. Regards, Jay_Diddy_B |
| promach:
In your opamp_JDB_bode_plt.asc , why DC 0.6V input stimulus for Vin+ ? And why are you not using large LC for DC feedback ? |
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