In bipolar modulation, the carrier is symmetric about zero with amplitude equal to Cm, the PWM output

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AZero

BSwitches between 0 and + 1

CSwitches between – 1 / 2 and + 1 / 2

DSwitches between – 1 and + 1

Correct answer

C. Switches between – 1 / 2 and + 1 / 2

Explanation

The correct answer is Switches between – 1 / 2 and + 1 / 2.

In bipolar modulation, the carrier is symmetric about zero with amplitude equal to Cm, the PWM output - Answer and Explanation | Academy of Pakistan