need some help with RC response...

Discussion in 'Homework Help' started by MrNik664, Nov 27, 2011.

  1. MrNik664

    Thread Starter New Member

    Nov 27, 2011
    3
    0
    i need to design a 1st order RC circuit with 110vDC input voltage and 70vDC output voltage (across the load).
    there are some items that i ve to do according to the file that i ve attached.

    tnx for helping...
     
  2. Yako

    New Member

    Nov 24, 2011
    245
    2
    Leave your money with the cashier on your way out.

    Thanks.
     
  3. MrNik664

    Thread Starter New Member

    Nov 27, 2011
    3
    0
    i couldnt understand.. come again?!
     
  4. crutschow

    Expert

    Mar 14, 2008
    12,974
    3,220
    That's an interesting problem. Do you expect us to do the work for you?

    The problem appears to be poorly stated. It mentions a step response into a load but it doesn't mention the step response time or the value of the load. It would seem you need that to finish the problem. Also I don't understand what "source free" response means.
     
  5. Vahe

    Member

    Mar 3, 2011
    75
    9
    How can you have a drop in dc voltage from 110V to 70V with only one resistor and one capacitor? I would like to see that!

    I think source-free refers to the response of the circuit to initial conditions (in this case, initial voltage on the capacitor) with the source voltage set to 0V (short).

    I agree that the problem is very poorly stated.

    Best regards,
    Vahe
     
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