please help me....

Discussion in 'Homework Help' started by transistor_circuit, Mar 9, 2009.

  1. transistor_circuit

    Thread Starter New Member

    Mar 9, 2009
    4
    0
    some one give me a circuit....


    that convert a 12 volts AC to 12 DC,,,,
     
  2. Audioguru

    New Member

    Dec 20, 2007
    9,411
    896
    Use a full-wave rectifier bridge then the voltage pulses will be +15V. Smooth and filter the pulses with a capacitor that is calculated for the current. Then use a 12V voltage regulator IC for a current of up to 1A.

    You forgot to say how much DC current you want.
     
  3. transistor_circuit

    Thread Starter New Member

    Mar 9, 2009
    4
    0
    can you give a circuit.....bro???
     
  4. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Let's start you off with out Ebook on rectifiers. Remember that this is supposed to be your homework - do make some effort.
     
  5. transistor_circuit

    Thread Starter New Member

    Mar 9, 2009
    4
    0
    i need .80 A
     
  6. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Okay - what devices might you need?
     
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