I am currently writing a report for university about DSB (double sideband) modulation techniques and balanced modulators. Here is the question that need to be answered:

The balanced modulator is used for:

  • (a) For stabilization between left and right channel while in stereo mode?
  • (b) To remove the phase inversion from the signal and therefore this signal can be demodulated by a detector?
  • (c) It searches for balance in power between sidebands and carrier?
  • (d) Needing 2 identical AM modulators?

It doesn't ask to explain the reason we give a particular answer, but I would like to hear from you an explanation.

  • 1
    \$\begingroup\$ 'None of the above' is the answer \$\endgroup\$
    – Neil_UK
    Jan 19 at 13:32
  • \$\begingroup\$ A cursory search yields a lot of hits. Try wiki.analog.com/university/courses/electronics/… \$\endgroup\$ Jan 19 at 13:36
  • 1
    \$\begingroup\$ @Antonio51 I'm not sure we should be offering direct answers to the OP at this point. \$\endgroup\$
    – Andy aka
    Jan 19 at 14:11
  • 1
    \$\begingroup\$ Hey! Welcome back, Ντίνος! Small problem: you're just forwarding your assignment to us. We don't do that here. We will help you, as soon as you ask a precise question of your own, designed to help you get further in answering the question yourself. \$\endgroup\$ Jan 19 at 15:03
  • 1
    \$\begingroup\$ Hum ... "stabilization between" are not the right "words" in this sentence... \$\endgroup\$
    – Antonio51
    Jan 21 at 8:03


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