This report describes the design with the Quartus Ⅱ complete dds direct digital frequency synthesizer in the process, the frequency synthesizer output frequency and phase can be controlled, and can output sine, cosine, square wave, triangle wave, sawtooth wave and other five, and switch on the oscil

This report highlights the design is completed with QuartusII dds direct digital frequency synthesizers, the process of the Frequency synthesiser output frequency and phase can be controlled, and is able to output Sine, cosine, square wave, sawtooth wave 3 point 5, such as an oscilloscope, waveform,

This report mainly introduced uses QuartusⅡThe design completes direct numeral frequency synthesizer dds the process, this frequency synthesizer outputs the frequency and the phase may control, also can output the si

This report main describes has with Quartus ⅱ design completed directly digital frequency synthesis device DDS of process, the frequency synthesis device output of frequency and the phase are may control, and can output sine, cosine, square wave, triangle wave, anti-aliasing wave, five species wavef