coupling - What does an RF coupler actually do? - Electrical . . . To start with, I've had difficulty finding a good, simple explanation of what directional coupling is I read through Radio Electronics, but the section on directional couplers doesn't give an overview of what it means to "couple " Could someone offer a simple explanation of what "coupling" is and what a directional coupler actually does?
How reliable is using couplers to extend Ethernet cables? I want to obtain one 90 meters of Ethernet CAT6 cable (with RJ45 connectors) by using three 30 meters of CAT6 cables with RJ45 connectors The only option I could find is to use three such couplers
Why use an opto-coupler? - Electrical Engineering Stack Exchange When shit happens, like when things are fried, opto-coupler would keep things isolated while everything else has the possibility of bridging the low side to the high side Like if the transformer over heats and insulation breaks, then your whole low side is gone