Electronics > Beginners
opamp simulation
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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