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Mahmood Elnasser
02/16/17 16:42
Read: 216 times
Sacramento
USA


 
#190740 - LCD Shield
Responding to: Erik Malund's previous message
I was going to ask what oins mean. Thanks for explaining.
Yes I will experiment with ferrite beads around the pins they suck and dissipate EMI. I used them to decouple power supply of the circuit.
Problem gone now by moving the FPGA and MCUs under the LCD which has big solid ground plane shielding it.
Do you have any other idea about EMI gun to test the circuit other than kitchen lighter?. I tried a high voltage spark generator from Amazon, it worked for 2 seconds then broke.
Mahmood

List of 13 messages in thread
TopicAuthorDate
Relay noise      Mahmood Elnasser      02/09/17 21:27      
   metal box      Stefan KAnev      02/11/17 02:32      
      not possible      Mahmood Elnasser      02/12/17 12:30      
   Are the output leads,inside the relay,...      Kerim Fahme      02/13/17 10:28      
      FG Relays      Mahmood Elnasser      02/16/17 16:31      
   can you ....      Erik Malund      02/14/17 07:03      
      not piggies      Erik Malund      02/14/17 10:55      
         LCD Shield      Mahmood Elnasser      02/16/17 16:42      
            no scientific base      Erik Malund      02/17/17 07:09      
   Avoid Relay noise addin a zener !      KONSTANTINOS L. ANGELIS      03/06/17 14:25      
      Source of noise      Mahmood Elnasser      03/07/17 09:38      
         Relay noise, add a zener with the flywheel diode      KONSTANTINOS L. ANGELIS      03/07/17 12:05      
            Experimentation      Mahmood Elnasser      03/08/17 00:30      

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