Multiple choice

Un-modulated signal coming from a transmitter is called

  1. carrier signal

  2. primary signal

  3. base band signal

  4. none of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A baseband signal is the original, un-modulated signal generated by a source before it is shifted to a higher frequency range for transmission. Modulation is the process of superimposing this signal onto a carrier.