Used telephone

Discussion in 'The Projects Forum' started by Lightfire, Jul 22, 2011.

  1. Lightfire

    Thread Starter Well-Known Member

    Oct 5, 2010
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  2. RiJoRI

    Well-Known Member

    Aug 15, 2007
    536
    26
    This is going back a way, but I used something like that before I got a phone line simulator at work.

    I believe the resistor was 610 Ohms (the squiggly line) and it was something like a 1/2 or 1 watt resistor. 12 volts worked well enough.


    --Rich
     
  3. DerStrom8

    Well-Known Member

    Feb 20, 2011
    2,428
    1,328
    Hi Catapult :)

    Here's a diagram for the same setup, with some values included:

    [​IMG]

    I hope this helps!
    Der Strom
     
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