am modulation

Discussion in 'The Projects Forum' started by xw0927, May 14, 2012.

  1. xw0927

    Thread Starter Member

    Dec 19, 2010
    114
    0
    doing a am modulation/demolution,Can anyone give me some idea,because the basically i had draw the schematics,how i can connect it with the speaker and microphone?Trying to do some modification ,then my circuit can work special a bits. View attachment dekstop.pdf
     
  2. crutschow

    Expert

    Mar 14, 2008
    13,002
    3,232
    What are you trying to achieve with this circuit. It makes little sense to me. :confused:
     
  3. xw0927

    Thread Starter Member

    Dec 19, 2010
    114
    0
    just try to make some device include modulator and demodulator like radio,isn't got any device can do beside radio?
     
  4. crutschow

    Expert

    Mar 14, 2008
    13,002
    3,232
    A modulator requires a non-linear element such as a multiplier. You cannot do modulation with a linear circuit. Google "modulator" and "demodulator" for more info.
     
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