(Solved): 12-8. For the 16-QAM modulator shown in Figure 12-31, change the reference oscillator to cos c ...
12-8. For the 16-QAM modulator shown in Figure 12-31, change the reference oscillator to cos ?c?t and determine the output expressions for the following I,I?,Q, and Q? input conditions: 0000,1111,1010, and 0101 .
Figure 12-31 16-QAM transmitter block diagram.