When a carrier is phase-shift keying modulated, (a) a data bit ONE will normally cause the carrier to shift its phase what total number of degrees, and (b) a data bit ZERO will cause the carrier to shift its phase what total number of degrees?
A. (a) 60 (b) 0
B. (a) 0 (b) 180
C. (a) 180 (b) 180
D. (a) 180 (b) 0
Show Answer
Answer: D
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