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 doesn't give an …
How does this HF 'coupler' work? - Electrical Engineering Stack Exchange
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 on a through …
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 are …
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 use three …
Newest 'coupler' Questions - Electrical Engineering Stack Exchange
Jul 30, 2025 · Bidirectional Coupler from Directional Couplers new to RF engineering. I want to build a wideband bi-directional coupler because commercial ones are quite expensive. I decided to build one …
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 voltage beyond …
Difference between RF splitter and coupler? - Electrical Engineering ...
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 coupler. Can …
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 two conditions …
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 blocks everything …
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?