Amplitude modulation

  1. 1. The problem statement, all variables and given/known data

    In my electronics practical class, i assemble a ckt of amplitude modulation using BC107 transistor ,but the modulated wave always has the same phase up and above , there is no phase difference b/w the upper and lower part of the wave .

    My teacher also couldn't understand the problem . I made the ckt 3-4 time but same result .

  2. jcsd
  3. Redbelly98

    Redbelly98 12,045
    Staff Emeritus
    Science Advisor
    Homework Helper

    If you don't post a circuit schematic, there's not much people here can do to help.
  4. Re: Amplitude modulation ?

    Sounds to me like non-linearity. Do you have the bias point set for class-A operation?
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