F.M., A.M. and S.S.B. transmitters

Question 9 of 24

The audio bandwidth in an AM transmitter may be restricted by the use of

  1. a high-pass filter in the modulating circuit
  2. a low-pass filter in the modulating circuit
  3. a resistor in the microphone circuit
  4. magnetic saturation of a coil in the microphone circuit
1 2 3 4


Back
page (tq1809)
Some material Copyright John Bowyer G4KGS.
Click here for important Copyright information
Web Space provided by Hostroute.com Ltd Contact details