In part 3 of the solid state switching series we provide an overview of solid state relays (SSRs). We compare them to mechanical relays and go over the two main types of SSR architectures. We then show a demo on how to implement and control a SSR. In part 1 we looked at how to switch and route DC signals with N and P channel MOSFETs and in part 2 we looked at how to switch AC line power signals with TRIACs. The last video in the series, part 4, we will look at solid state multiplexer ICs for routing electrical signals.
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