https://www.edn.com/design/power-ma...exponentials-to-optically-sense-AC-DC-current
With a LM324 as opamp, the bandwidth is limited to 50kHz, but with a better part and a few mods, it could easily reach 500kHz
With a LM324 as opamp, the bandwidth is limited to 50kHz, but with a better part and a few mods, it could easily reach 500kHz
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