coupling - What does an RF coupler actually do? - Electrical ...
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 directional couplers …
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 …
How to calculate exactly resistors values of opto coupler
How to calculate exactly resistors values of opto coupler Ask Question Asked 11 years, 7 months ago Modified 4 years, 10 months ago
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 a signal on the …
Difference between RF splitter and coupler? - Electrical …
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 coupler. Can …
How does this HF 'coupler' work? - Electrical Engineering Stack …
Apr 14, 2024 · I came across this coupler design in this link in another question. It's designed to be used to couple a small monitoring amount of signal off a 1 kW HF (3 MHz to 30 MHz) signal …
Powering a 5V Relay from ESP32 using a PC187 optocoupler: how …
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 circuit is …
opto isolator - AC Optocoupler for 230V line detection - Electrical ...
Apr 12, 2018 · I am trying to detect line voltage (230V AC, if the supply is ON/OFF) by a microcontroller with the help of an AC optocoupler. The optocouplers I have evaluated are …
Serial isolation with 6N137 opto-coupler - Electrical Engineering …
Jul 1, 2023 · Coupler devices such as the HCPL-7723 and similar devices in that same part family are far superior of serial isolation in that they are non-inverting and easily allow connecting the …
high voltage - What types of bus couplers exist? - Electrical ...
Jan 31, 2017 · There are various types of bus couplers (for double bus system, single section bus system, etc.). I know that bus coupler between two busbars is called cross bus coupler. How …