*Faster response to changes in input voltage *Better symmetry when using real-world resistors The output is rather rough at low frequencies and the response time isn't very good, but it about does what I want it to do.Ĭan anyone help me improve it? I would like: I've tried simulating it down to 10Hz and up to 1MHz.
R1 would be adjustable in real life to set the threshold.
One comparator is triggered if the input is over +1v, the other if it's under -1v. After spending far too many hours trying to cobble together an absolute value peak detector with a full wave precision rectifier, which would work up to 1MHz, I gave up on the precision rectifier part (which isn't really needed since I just want to detect input voltages over 1v ± peak) and did this way instead.
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