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camerart

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  1. Hi, My first question. I have a PCB with a PIC RX and two sources of input, that I need to switch between. I am trying a MAX4644 switch chip for this, but although it switches ok, the DATA seems to be occasionally crossing over to the wrong side. I've added 104 CAPs to the power supply track and switch track. The chip is now powered by 5V and switched by 3.3V signals, it was tried before all 3.3V Any ideas please? Camerart.
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