https://electronics.stackexchange.com/questions/368931/what-does-an-rf-coupler-actually-do
Apr 17, 2018 · 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 directio
https://electronics.stackexchange.com/questions/589542/how-to-know-the-minimum-led-current-of-an-optocoupler
Oct 6, 2021 · I am going to need to use an optocoupler to isolate two circuits in two situations. In both situations, a MCU GPIO will be driving the LED of the optocoupler to send
https://electronics.stackexchange.com/questions/386422/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 th
https://electronics.stackexchange.com/questions/673140/powering-a-5v-relay-from-esp32-using-a-pc187-optocoupler-how-to-wire
Jul 7, 2023 · The picture of the coupler shows 10 kohm and a LED in series with the coupler diode. This is a design for 24 V input signals, change R1 to 100 ohm. The output circui
https://electronics.stackexchange.com/questions/14081/difference-between-rf-splitter-and-coupler
Somebody suggested using a splitter for this work, but when I tested one I found that all three nodes could communicate with each other. Now, somebody is telling me to use a couple
https://electronics.stackexchange.com/questions/638229/isolated-digital-input-to-microcontroller-using-optocoupler
Oct 12, 2022 · I am designing an I/O logic controller with multiple digital inputs. I am using an optocoupler (PC817) to provide isolation between sensor pulse output and microcon
https://electronics.stackexchange.com/questions/607199/circuit-for-12v-relay-with-an-optocoupler-using-3v3-gpio
Feb 4, 2022 · I am trying to design a circuit to control a G6S-2 12V relay that powers on/off a 12V device using a GPIO from an ESP32-WROVER and one PC817 optocoupler. This is the
https://electronics.stackexchange.com/questions/337039/why-use-an-opto-coupler
Oct 30, 2017 · 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 hig
https://electronics.stackexchange.com/questions/738505/tl431-optocoupler-and-gatedriver-feedback-loop-process-for-isolated-converter
Feb 9, 2025 · As long as the opto-coupler doesn't introduce a huge phase shift, causing feedback to get precariously close to becoming positive, or isn't asked to produce output c
https://electronics.stackexchange.com/questions/672504/uart-isolation-with-opto-coupler
Jul 2, 2023 · UART isolation with opto-coupler Ask Question Asked 2 years, 11 months ago Modified 1 year ago