Trouble with capacitor values on this circuit.

Discussion in 'The Projects Forum' started by antipode77, Dec 14, 2007.

  1. antipode77

    Thread Starter New Member

    Dec 11, 2007
    4
    0
    So I've been trying to put together a simple battery powered intercom after some feeble attempts on my own, I found this circuit. However, the values for the capacitors are not clear. There are three, (.22, 47, 1000). Are those µF or pF values? :confused:
    I am hoping somebody more familiar with circuits will look at this and be able to help me out. Thanks!
     
  2. kubeek

    AAC Fanatic!

    Sep 20, 2005
    4,670
    804
    all the values of capacitors are in uF.
     
  3. cumesoftware

    Senior Member

    Apr 27, 2007
    1,330
    10
    Capacitor values are considered to be in uF in electrolytic capacitors, but they can be in nF or pF in other types (chances are to be in pF). This is really a defective schematic, as at least the order of magnitude should be indicated. Other essential (in my point of view) values such ass tolerance and ratings are not indicated as well, and they should be too.
     
  4. antipode77

    Thread Starter New Member

    Dec 11, 2007
    4
    0
    Thanks, I think I got it figured out.
     
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