8 QAM BLOCK DIAGRAM

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CHAPTER 2 DIGITAL MODULATION 2.1 INTRODUCTION
(QAM) results. ASK, FSK, PSK, and QAM are all forms of digital modulation: (2.1) Figure 2-1 shows a simplified block diagram for a digital modulation system. 2 In the transmitter, the precoder performs level conversion and then encodes the incoming data into groups of bits that modulate an analog carrier.
8-PSK modulation basics | Multi level PSK modulation | 8PSK
8-PSK or Multilevel PSK. This page describes 8-PSK modulation basics or multilevel PSK modulation which is a type of digital modulation based on carrier phase change. In Phase Shift keying modulation or PSK modulation phase of carrier is changed according to the digital data.
Quadrature amplitude modulation - Wikipedia
Quadrature amplitude modulation (QAM) is the name of a family of digital modulation methods and a related family of analog modulation methods widely used in modern telecommunications to transmit information. It conveys two analog message signals, or two digital bit streams, by changing (modulating) the amplitudes of two carrier waves, using the amplitude-shift keying (ASK) digital modulation
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