Recent content by johno71

  1. J

    Noise Noise Noise

    Does anyone know of a lab that i could take my setup to to have the noise analyized near the orlando area? Thanks
  2. J

    Noise Noise Noise

    Here is a very basic schematic.  I have everything grounded, are there any better ways to seperate the a/c and d/c Schematic_for_Noise_Filter.pdf
  3. J

    Power supply Enclosures

    I may be able to help you in the future.  I am in the process of buying a cnc machine that will cut aluminum.  All I would need is a cad drawing of what you wanted cut.
  4. J

    Noise Noise Noise

    I have constructed a system to monitor the state of the motor following a given command. ex if motor is supposed to run and dosent the system picks that up and gives the user an indication.
  5. J

    Noise Noise Noise

    Hello All, I am new to the forum and electronics in general.  I have designed some circuits to monitor a 3 phase 230volt electric motor.  I am having a problem with the electrical noise spikes generated by the contactor in the motor causing my circuits to act up.  I am at a loss for filtering...
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