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 …
high voltage - What types of bus couplers exist? - Electrical ...
Jan 31, 2017 · A bus coupler is just a normal circuit breaker (and isolators), no matter where it's installed, or which busses it's connecting. A "cross bus coupler" is just a bus coupler that …
opto isolator - Electrical Engineering Stack Exchange
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 current or …
How reliable is using couplers to extend Ethernet cables?
Jul 18, 2018 · 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 …
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 …
antenna - Couplers and dividers as baluns - Electrical Engineering ...
May 19, 2020 · Can every divider and coupler that provides 3dB amplitude divison and 180 degrees phase difference be used as balun? Rat race coupler and lange coupler provide the …
coax - Directional coupler frequency range - Electrical Engineering ...
Aug 26, 2023 · If a directional coupler is labeled 5-1002 Mhz, what happens to frequencies above that? Is that just the rated frequencies but above that may work fine, or does that mean it …
How to use an optocoupler with a transistor on both sides?
Jun 20, 2020 · Putting 17VDC 30mA on the coupler's outputs isn't wise either so I have a second transistor there as well. The problem is that I don't know how to complete this circuit?
microwave - Dual directional coupler schematic? - Electrical ...
Jul 11, 2022 · The isolated port on a directional coupler couples energy from the reverse direction. Just remove the termination on the isolated port, treat it as the reverse coupled port, and you …
Difference between RF splitter and coupler? - Electrical …
May 9, 2011 · 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 …