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real world applications and explanations

Discussion in 'Electronics Homework Help' started by donkey, Jun 12, 2011.

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  1. donkey


    Feb 26, 2011
    i know that electronics cover a vast majority of applications but is there somewhere that shows the schematics and describes the function of each component in plain english?
    i give the example of a capacitor, it can be used for a few different things from storing electricity to filtering out dc signals. is there anywhere that shows both of these examples in a circuit? most books i know try not to overcomplicate things and describe one component at a time. but this can be problematic as real world applications aren't made of a battery a wire and a capacitor alone.
  2. davenn

    davenn Moderator

    Sep 5, 2009
    once you have a reasonable understanding of the basics of a component, whatever it is... resistor, capacitor, diode etc The experience that then comes with being able to read more and more complex circuits and identifying
    Now even tho I have been at electronics for many many years , I am no expert.

    but lets look at a cct with a number of caps in it and see if you can identify what you think the purpose of each one is :)

    Took a while to find a cct that wasnt too complex but had a good variation of caps and uses :)


    lets just look at a few of the many caps in here, all playing their part in the cct.

    1) There are 2 different caps off the +V supply, what do they do and why the different values?

    2) The 33pF cap between the 2 transistors, what's its purpose ?

    3) The 1nF on the output of the BRF93 transistor

    4) The 2 x 60pF variable caps either side of L3 before the antenna ...


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