In bipolar modulation, the carrier is symmetric about zero with ampli – McqOptions

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1.	In bipolar modulation, the carrier is symmetric about zero with amplitude equal to Cm, the PWM output
A.	Zero
B.	Switches between – 1 / 2 and + 1 / 2
C.	Switches between – 1 and + 1
D.	Switches between 0 and + 1
Answer» C. Switches between – 1 and + 1

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