Op Amp upgrade

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thresholdpeople
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Op Amp upgrade

Post by thresholdpeople » Thu Jul 03, 2014 1:44 am

I still have the kit sitting here, all boxed up waiting for it's turn to get built, and I just remembered that there was an option for upgraded opamps.

Scott, on your site I see you now have the option for upgraded opamps: the OP484s. Can I simply pop these into the TL072's place or do other parts of the circuit need changing?

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scottwilson
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Post by scottwilson » Thu Jul 03, 2014 7:20 am

You only need to replace the four output op amps with OP484, not all of the TL074s.

The circuit will need to be re-biased as well to be able to operate over the higher range, but that is spelled out in the documentation.

s

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thresholdpeople
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Post by thresholdpeople » Thu Jul 03, 2014 6:00 pm

Awesome. Thanks for the info!

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