Wang Hong
Abstract
An improved direct up-convert DVB QAM modulator based on FPGA and high speed quadrature modulate DAC is presented in this paper.The design of hardware system,technique of internal digital logic,and difficulty in system implement are also introduced.The practical measurements show that system can meet the requirements of expected design goal.
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An improved direct up-convert DVB QAM modulator based on FPGA and high speed quadrature modulate DAC is presented in this paper.The design of hardware system,technique of internal digital logic,and difficulty in system implement are also introduced.The practical measurements show that system can meet the requirements of expected design goal.
Key concepts: Computer science, Field-programmable gate array, QAM, Quadrature amplitude modulation, Computer hardware, Embedded system, Quadrature (astronomy), Electronic engineering