The magnetics tag has no wiki summary.
1
vote
1answer
113 views
Magnetic Encoders - Tips and Tricks
I am new to encoders in general and I am thinking about using a magnetic encoder in a personal project were I will need to make my own servo, and thus get an absolute position reading (instead of the ...
7
votes
0answers
205 views
Differences between a planar coil and coplanar waveguide to create a local 1D AC magnetic field
Coplanar waveguides (for example picture look here) are often used in research to create a local in-plane magnetic field. Now if compared to a planar microcoil like this,
driven by a AC voltage in ...
3
votes
0answers
96 views
How to choose a reed switch and magnet?
I need to use a reed switch and a magnet on a shaft. When it get turned to a specific degree the magnet will trigger the reed switch. The shaft only turns one way and is turned by hand.
The problem ...
1
vote
0answers
71 views
How to route Gigabit Ethernet, remote PHY or remote RJ45 connector?
I need to design a 10/100/1000 BASE-T “backplane” board that contains multiple PHY outputs from Ethernet controller chips. On the board ,the LAN specifications are very strict in regard to how the ...
0
votes
0answers
569 views
What sensors are commonly used for vehicle detection?
I want to make a vehicle detection prototype. I find there are multiple choices of sensors that can be used to detect a vehicle, such as acoustic, ultrasonic, infrared, magnetic inductive sensor.
I ...
0
votes
0answers
82 views
Two RJ45s one PHY
Is it possible connecting two RJ45s to a one port ethernet magnetics? If yes, Does it require just turns ratio adjustment or other issues have to be taken into account?
Thanks!
