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Topic: Help with circuit isolation issue ... (Read 2 times) previous topic - next topic


Just a quick belated message of thanks to all who posted suggestions.

I took Grumpy_Mike and KE7GKP's advice, experimented with a few different inductor+capacitor combinations and soon fixed the problem.

In the end I found simply the addition of a single 150uH inductor on each RFID reader Vin was enough to allow several readers to operate simultaneously off the same supply.

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