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- 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 does this HF coupler work? - Electrical Engineering Stack Exchange
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 line
- high voltage - What types of bus couplers exist? - Electrical . . .
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 happens to be connecting the two busses of a double-bus switchyard It's not a different type of switchgear and shouldn't be classified as such
- serial - UART isolation with opto-coupler - Electrical Engineering . . .
UART isolation with opto-coupler Ask Question Asked 2 years, 9 months ago Modified 10 months ago
- 4N25 Optocoupler design - Electrical Engineering Stack Exchange
Below is a simple 4N25 optocoupler circuit that I designed in LTspice 10 mA is flowing through the input It works in saturation According to the datasheet in Figure 2 (CTR-sat), it says 0 7, so
- opto isolator - Electrical Engineering Stack Exchange
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 its ability, then this closed-loop system as a whole finds and maintains the state
- How to calculate exactly resistors values of opto coupler
How to calculate exactly resistors values of opto coupler Ask Question Asked 12 years ago Modified 5 years, 3 months ago
- Optocoupler Ltspice model - Electrical Engineering Stack Exchange
How are the Ltspice library optocouplers modeled? E g PC817 has this one: subckt PC817 1 2 3 4 R1 N003 2 2 D1 1 N003 LD G1 3 N004 N003 2 {Igain} C1 1 2 18p Q1 3
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