2012, Volume 7, Issue 3
Frontiers of Mechanical Engineering >> 2012, Volume 7, Issue 3 doi: 10.1007/s11465-012-0312-9
Frequency-controlable sine signal based on PWM and its implementation on FPGA
Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen 518055, China
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Abstract
A sine generation method that the different frequent sine signals can be generated by the different Pulse-Width Modulation (PWM) signals generated by Field-Programmable Gate Array (FPGA) through low-pass filter of fixed parameters was proposed. The method just takes a few FPGA resources and was proved feasible by the theory. The experiment results and theory analysis tally.
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