Bipolar modulation

Q.  In bipolar modulation, the carrier is symmetric about zero with amplitude equal to Cm, the PWM output
- Published on 08 Sep 15

a. Zero
b. Switches between - 1 / 2 and + 1 / 2
c. Switches between - 1 and + 1
d. Switches between 0 and + 1

ANSWER: Switches between - 1 / 2 and + 1 / 2

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