Electronics > Beginners

TL071 distortion - bad amplifier design?

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oPossum:
The voltage rating on the A1015 and C1815 is too low. You should have at least 100V Vceo devices for +/- 40 volt rails. The TIP41/42 must be the C versions (TIP41C, TIP42C).

Treehouseman:

--- Quote from: Bassman59 on December 10, 2018, 03:25:27 am ---
--- Quote from: oPossum on December 10, 2018, 03:15:26 am ---The stage following the op-amp is inverting, so the feedback to the + input of the op-amp is correct.
--- End quote ---

no.

--- End quote ---
k

oPossum:
You should also have the Zobel network (10 ohm resistor + 100 nF capacitor) on the output to help with stability.

AngraMelo:
Like this?

oPossum:

--- Quote from: AngraMelo on December 10, 2018, 05:08:08 am ---Like this?

--- End quote ---

Yes

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