umashankar.s

umashankar.s

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Member since
Jun 25, 2008
Last active
Aug 17, 2008
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Recent contributions

  1. #Threads

    bb438983-c6b4-4f79-b6a7-0ee3b4dd4579

    hope you are in pcb design, hence i am getting some usefull info from you

  2. #Threads

    2d8a8947-e545-403a-9a4a-3280baf65351

    Thanks.. Do you have any waveforms or simulation results if any to justify answer or else if snapshots thats enough

  3. #Threads

    76d3cdfb-b3d7-49e0-9730-3f052b141e0e

    one more.... The arithmetic mean between 30 ohms (best power handling) and 77 ohms (lowest loss) is 53.5; the geometric mean is...

  4. #Threads

    a2a612d1-a17b-4a24-8988-16ff7b7f8bdc

    Hi all you folks have any valid justifications with you for impedance... i have found one.. Basically the impedance is depending on...

  5. #Threads

    5f4ca615-9152-4e51-8cb6-09f171bfe475

    ok... i got few thngs from net and that i share with u <a href="https://www.smps.us/layout.html" target="_blank" rel="nofollow noopener noreferrer">PCB Layo...

  6. #Threads

    Guard traces for critical signals in PCB? Does it really protect!

    Why we need guard traces for critical signals like video or audio analog signals.... is it really plays good role in eliminating...

  7. #Threads

    90' turn in pcb trace? is it harmfull

    😕Why 90 degree turn traces produce cross talk or noise in pcb?

  8. #Threads

    2da1af1f-a66c-48f7-937d-914ae0eca201

    can you pls tell if you have an idea about 230V AC & 400Vdc...😁

  9. #Threads

    d22bb4ce-d167-4fab-9196-7963e05d19c1

    generally mosfet is voltage controlled device if the Vgs > Vt of mosfet then it ll switch on even though Vds is...

  10. #Threads

    581527e7-3d43-49eb-95ea-db1d72ae634c

    u can go ahead with lt1963 type regulators...

  11. #Threads

    5a077127-e57e-4704-888b-1929af8eb36b

    As per latest technology, the two modules power as well as controller module combined into a single board. So what are the...

  12. #Threads

    feb44692-69a7-4ca5-9a35-d6fcdee77478

    simply my question is... what are the pcb layout methods and regulations for 230VAC or 400V DC in electric drives application?