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AC stands for Alternating Current. It usually applies to voltages with >100 V RMS, but can also be used for other AC voltages, like 24 V industrial AC power.
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Buffering Vref on AD623
I am measuring AC signal using an instrument amplifier AD623.
This will be fed to an ADC in the 0/+5V range. Therefore the signal must be centred on 2.5V. …
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3
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AC line indicator circuit - resistor gets fried
I am using the circuit below to indicate the status of a 230V AC line.
This works well when I apply power to it. The LED is on with a good brightness. …