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(i) Sketch the constellation diagram for an 8-QAM process which assumes 2 different amplitude levels at {3,6} volt and 8 different phase levels at {0, π/4, π/2, 3/4, π, 5π/4, 3/2,7π/4}. (ii) How many bits are needed to transmit this signal?

(i) Sketch the constellation diagram for an 8-QAM process which assumes 2 different amplitude levels at {3,6} volt and 8 different phase levels at {0, π/4, π/2, 3/4, π, 5π/4, 3/2,7π/4}. (ii) How many bits are needed to transmit this signal?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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(b) (i) Sketch the constellation diagram for an 8-QAM process which assumes 2 different amplitude levels at {3, 6} volt and 8 different phase levels at {0, π/4, π/2, 3π/4, π, 5π/4, 3/2, 7π/4}. (ii) How many bits are needed to transmit this signal?
Transcribed Image Text:(b) (i) Sketch the constellation diagram for an 8-QAM process which assumes 2 different amplitude levels at {3, 6} volt and 8 different phase levels at {0, π/4, π/2, 3π/4, π, 5π/4, 3/2, 7π/4}. (ii) How many bits are needed to transmit this signal?
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