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Getting Signal Voltage From Source Power

Discussion in 'General Electronics Discussion' started by tedstruk, Aug 22, 2017.

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  1. tedstruk

    tedstruk

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    Jan 7, 2012
    I used to know how to make this conversion from source power ie. 12v to signal voltage, but I have forgotten what signal is. its like 1 ohm at 1v or something like that...
    can anyone help me?(ha ha ha)
     
  2. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Do you mean the power equation P = I*V ?
     
  3. tedstruk

    tedstruk

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    that might be it.... but thats watts. and I think signal is like [email protected] watt?
    or 1 millivolt @ 1kohms? anyway I remember it was millivolts, but I can't remember the other part.
    signal is generally used as power for circuits like radio sets, comparators and is used as a base for all other math in the circuit...

    blank slates are the cause of every great problem....
    Just look at Einstien.
     
  4. kellys_eye

    kellys_eye

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    0dBm - 1 milliwatt
     
  5. davenn

    davenn Moderator

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    have absolutely no idea what you mean ????
     
  6. kellys_eye

    kellys_eye

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    1A = 1V dropped across 1Ω ???
     
  7. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Not until you ask a question we can understand.
     
    Arouse1973 likes this.
  8. tedstruk

    tedstruk

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    Jan 7, 2012
    0 dBm I think thats it.
    1 milliwatt..
    that is the point at which wattage is not capable of creating exponential heat....
    I think... Its been along long time since I did any electronics!
     
    Last edited by a moderator: Aug 25, 2017
  9. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    No it's just a reference point.

    The expenditure of power, no matter how small, can cause heating.
     
  10. kellys_eye

    kellys_eye

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    ... don't you mean 'ever'??
     
    Arouse1973 likes this.
  11. BobK

    BobK

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    Jan 5, 2010
    What do you mean? He did electronics and he has the smoke to prove it!

    Bob
     
    davenn and Arouse1973 like this.
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