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Circuit Math — Parallax Forums

Circuit Math

japerjaper Posts: 105
edited 2005-09-14 17:22 in BASIC Stamp
Sorry for another math question but i does help me
thank you


is componet line up in a circuit important ?
nothing crazy,
like an RC Timed circuit "considering a non polarized Cap."
would it make any difference which came first the Cap or the resistor ?

am i asking this this right ?

japer

Comments

  • BeanBean Posts: 8,129
    edited 2005-09-14 02:20
    As long as the parts are in strictly a series or strictly parallel configuration...It doesn't matter.
    For the most part: Current is the same though all componets in series and voltage is the same across all componets in parallel.

    Now for an RC circuit if you have a resistor in series then a cap to ground then YES IT DOES MATTER if the resistor is before or after the cap.

    input >----/\/\/\/
    +
    > rest of circuit
    ··············· ·············· |
    ······· ······················ +--|(---> Ground

    is not the same as

    input >
    +--/\/\/\---> rest of circuit
    ········· ······· |
    ········ ········ +--|(---> Ground

    Bean.

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  • japerjaper Posts: 105
    edited 2005-09-14 02:49
    yes thats what i meant
    i can see little clearer now

    could you

    input>
    |(
    /\/\/\
    > Ground
  • Ryan ClarkeRyan Clarke Posts: 738
    edited 2005-09-14 14:53
    Japer,

    What is your desired result?

    Ryan

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  • Paul BakerPaul Baker Posts: 6,351
    edited 2005-09-14 16:05
    Bean's circuit and your circuit do exact opposite things. His is a low pass circuit, frequently used in RC timing, high frequencies get dampend while lower frequencies pass through. Yours is a high pass circuit, low frequencies are blocked (a capacitor does not conduct DC current) while higher frequencies pass through. Yours is not suitable for RC timing.

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    ·1+1=10
  • japerjaper Posts: 105
    edited 2005-09-14 17:22
    thanks for your input

    the circuit i drew was totally opposite of what is taught in stamp books,
    i guess i was trying to get the math .
    i will stick with the examples in the books
    thanks for all the input

    japer
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