基于FPGA的dds信号发生器，已有仿真tb文件，可发生正弦信号，余弦信号,平台quartus 2
DDS signal generator based on FPGA, has simulation TB file, can generate sine signal, cosine signal (2021-04-18, Quartus II, 25KB, 下载2次)
使用Altera芯片通过AD、DA产生模拟波形，芯片为AD0805、与AD0832
Using Altera chip to generate analog waveform through AD and DA, the chips are ad0805, ad0832 (2020-11-16, Quartus II, 5331KB, 下载0次)
实现matlab与fpga间uart通信，fpga控制fpga中的DAC产生特定波形，形成波形产生器
The UART communication between MATLAB and FPGA is realized. FPGA controls DAC in FPGA to generate specific waveform and forms waveform generator (2020-07-21, Quartus II, 350KB, 下载2次)
八选一数据选择器的Quartus II文本输入设计及其仿真波形，包括持续赋值和过程赋值两种方法。
The text input design and simulation waveform of Quartus II with eight data selectors, including two methods of continuous assignment and process assignment. (2020-05-22, Quartus II, 5KB, 下载1次)
半加器和全加器的Quartus II文本输入设计及其仿真波形
Text input design and simulation waveform of Quartus II for half adder and full adder (2020-05-22, Quartus II, 5KB, 下载0次)
dds设计仿真，包含matlab设计，modelsim仿真和verilog代码
DDS design simulation, including matlab design, Modelsim simulation and Verilog code (2020-04-01, Quartus II, 27833KB, 下载5次)
基于fpga的DDS程序 可输出正弦波 方波 三角波 锯齿波
DDS program based on FPGA can output sinusoidal square wave triangular wave sawtooth wave (2019-07-30, Quartus II, 4790KB, 下载8次)
DDS VHDL include everything of dds
AD9914
DDS VHDL include everything of dds
AD9914 (2019-06-03, Quartus II, 1129KB, 下载6次)
可以实现2PSK的信号调制，已经过Modelsim波形仿真
It can realize 2PSK signal modulation and has been simulated by Modelsim waveform. (2019-05-09, Quartus II, 266KB, 下载8次)
利用fpga产生负指数衰减信号，使用dac904模块（165兆，14位）
Negative exponential attenuation signal generated by FPGA (2019-04-27, Quartus II, 3164KB, 下载2次)
基于FPGA的DDS数字调幅波,提出以调整调制指数控制字与频率控制字,通
过查表得到所需数字序列的思想与方法
Based on FPGA DDS digital amplitude modulation wave, the idea and method of adjusting the modulation index control word and frequency control word to obtain the desired digital sequence by looking up the table (2019-01-09, Quartus II, 10762KB, 下载16次)
DDS同 DSP（数字信号处理）一样，是一项关键的数字化技术。DDS是直接数字式频率合成器（Direct Digital Synthesizer）的英文缩写。与传统的频率合成器相比，DDS具有低成本、低功耗、高分辨率和快速转换时间等优点，广泛使用在电信与电子仪器领域，是实现设备全数字化的一个关键技术。
DDS, like DSP (Digital Signal Processing), is a key digital technology. DDS is the abbreviation of Direct Digital Synthesizer. Compared with traditional frequency synthesizers, DDS has the advantages of low cost, low power consumption, high resolution and fast conversion time. It is widely used in the field of telecommunications and electronic instruments, and is a key technology to realize full digitization of equipment. (2018-11-26, Quartus II, 2469KB, 下载3次)
这是用来产生正弦波，使用后发现很方便，分享给大家
Sine wave generation (2018-09-05, Quartus II, 66KB, 下载1次)
利用QuartusII软件设计一个直接数字频率合成器，具有频率控制、相位控制、测频、显示多种波形、容量扩展等功能；并附有说明word文档
A direct digital frequency synthesizer is designed with QuartusII software, which has the functions of frequency control, phase control, frequency measurement, display of various waveforms, capacity expansion and so on. And the word document is illustrated. (2018-07-23, Quartus II, 5500KB, 下载12次)
在Qaurtus环境下用Verilog输入实现64QAM信号的发生，用MATLAB协助验证，观察了PN序列对应的星座图。
Simulating generation of 64QAM RF Signal in Quartus II IDE,identified with MATLAB,constellation gram displayed. (2018-05-29, Quartus II, 43536KB, 下载4次)
利用QSYS中自带的PIO接口实现DDS模块
Using the PIO interface in QSYS to implement the DDS module (2018-04-12, Quartus II, 18408KB, 下载3次)
基于DDS的信号源设计（包括三角波、正弦波、方波）
Design of signal source based on DDS (2018-01-01, Quartus II, 4516KB, 下载9次)
AD9914是一款直接数字频率合成器(DDS)，内置一个12位数模转换器，目标工作速率最高达3.5 GSPS。
The AD9914 is a direct digital synthesizer (DDS) featuring a
12-bit DAC. The AD9914 uses advanced DDS technology, coupled
with an internal high speed, high performance DAC to form a
digitally programmable, complete high frequency synthesizer
capable of generating a frequency-agile analog output sinusoidal
waveform at up to 1.4 GHz. (2017-11-16, Quartus II, 58KB, 下载14次)
The output frequency requirements for the three waveforms are: the frequency range is adjustable between 20Hz-20kHz; the phase difference between the three waveforms is 120 degrees.
A. of sine wave signal: step 10Hz; frequency stability: better than 1/10000; nonlinear distortion coefficient is less than 3%.
B. of the square wave signal is frequency: the rise and fall time of <1 s;
The requirements of C. for triangular wave signals are that the signal frequency range is adjustable between 20Hz-20kHz.
D. for the above three frequencies are required: the frequency can be preset; when the load is 600, the output signal amplitude is greater than 3V; the output signal amplitude can be adjusted in the range of 100mv~3V, the step length is 100mV.
The output frequency requirements for the three waveforms are: the frequency range is adjustable between 20Hz-20kHz; the phase difference between the three waveforms is 120 degrees.
A. of sine wave signal: step 10Hz; frequency stability: better than 1/10000; nonlinear distortion coefficient is less than 3%.
B. of the square wave signal is frequency: the rise and fall time of <1 s;
The requirements of C. for triangular wave signals are that the signal frequency range is adjustable between 20Hz-20kHz.
D. for the above three frequencies are required: the frequency can be preset; when the load is 600, the output signal amplitude is greater than 3V; the output signal amplitude can be adjusted in the range of 100mv~3V, the step length is 100mV. (2017-10-05, Quartus II, 352KB, 下载1次)
基于altera-FPGA的任意波形发生器，Arria II GX
Altera-FPGA based arbitrary waveform generator, Arria, II, GX (2017-09-18, Quartus II, 5074KB, 下载5次)