a newbie asking for a bit of assistance

Discussion in 'The Projects Forum' started by rhold_07, Sep 14, 2006.

  1. rhold_07

    Thread Starter New Member

    Sep 14, 2006
    could anyone help me with this project....
    tnx..i urgently need this pls..

    the project requires something like this:

    A power supply with three outputs..
    1. 15 volts positive(+) and negative(+) output
    2. A variable output from 0-20 volts
    3. A 5 volts positive(+) output

    He also told me about this things
    - all rectifiers should be in bridge configuration
    - heat sink
    - 220v input and 1 ampere output using current booster
    - short circuit protection
    - electromechanical relay w/ reset button
    - fuse blown indicator

    i quite clueless of what he's askin me..
    and i would appreciate i some one would make a schematic diagram for me..
    thanks again..elizabeth:p
  2. Dave

    Retired Moderator

    Nov 17, 2003
    Moved to the Projects Forum.

    Have you done anything on this project? If so, post it up - your ideas, work already done etc. You will find that people are more likely (and willing) to help if you can at least show some input.

  3. thingmaker3

    Retired Moderator

    May 16, 2005
    For bridge rectifiers, read here: http://www.allaboutcircuits.com/vol_3/chpt_3/4.html

    The few "blown fuse" indicators I've seen in the past were simply a lamp in parallel with the fuse. If it were my project, I'd try to talk the fellow into a circuit breaker instead.