1. maitrey

    Transfer 24 VDC to 1000 ft...

    Hello, I have to transfer 24 VDC to 21 devices which is 1000 ft apart. Is it possible to transfer 24 VDC to such a long distance? This 24 VDC is coming from SMPS. Does the current/power rating matter in this case? And how can I calculate total voltage drop at the end (If there is any)?. All...
  2. D

    Dielectric test

    Hi all I need a clarification that i have designed a PCB board which has 4 layers, and no components has only holes with supply and ground. My board has failed in dielectric test. 1) How much time i can test my board for dielectric test.(1,2,times..infinity??) 2) my conductors are so close...
  3. D

    How to test the pcb boards insulation resistance

    Is there any method to test a 4 layer pcb board insulation resistance. Whether we need any coupons for insulation resistance testing.