EEHobby
Newbie level 6
I have desinged an ultrasonic system. However the singal is very noise. Then I added a couple of ferrite beads on power suppy to the board, It seems work much better. But I wonder if there is any rule on using them. Can I just use ferrit beads as much as possible? I was using inductor with two capacitors (one big, one small) in my power leads to the analog board, but the inductor seems not working at all until I replaced the inductor with the ferrite beads.
I am going to redo my pcb and add ferrit beads, but I would like to get some advice before I make another pcb.
Thank you very much for your advice.
I am going to redo my pcb and add ferrit beads, but I would like to get some advice before I make another pcb.
Thank you very much for your advice.