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Change out the OpAmp #5

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opened 2022-12-28 22:44:04 +01:00 by sebastian · 0 comments
sebastian commented 2022-12-28 22:44:04 +01:00
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For some reason the TL072 does not work in this configuration.
Switching to a simple LM358, and lowering the gain yielded better results.

It's probably better to stick with one of the alternatives in use by similarly constructed mixers:

  • LT6231
  • LM833
  • LM4562

They should all be available in the same pinout, so it should be easy to simply try them out.

For some reason the TL072 does not work in this configuration. Switching to a simple LM358, and lowering the gain yielded better results. It's probably better to stick with one of the alternatives in use by similarly constructed mixers: * LT6231 * LM833 * LM4562 They should all be available in the same pinout, so it should be easy to simply try them out.
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Bug in the pcb layout

  
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Reference: sebastian/opensdx-prototype#5
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