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Results tagged with operational-amplifier
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user 209492
Questions relating to the construction and applications of operational amplifiers, which are DC-coupled, high-gain electronic voltage amplifiers with a differential input and, usually, a single-ended output.
1
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Protect Op Amp input from piezo sensor overvoltage
I have a circuit that I'm using to detects "knocks" using a piezo element. It seems to work adequately, but as I half suspected, I have now demonstrated that it's possible for the piezo element to gen …
- 748
14
votes
2
answers
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Convert analog piezo "transition" to digital signal
I'm trying to get what amounts to a knock indication into a microcontroller input from a piezo sensor. It's looking fairly good now at the fifth iteration, and about ready to provide digital levels fo …
- 748