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[VHDL-FPGA-Verilog] DDS_信号源

Description: dds 精确步进100HZ.拨码开关选择FSK,FM等功能.最高频率25M,DA芯片9760.VHDL编写
Platform: | Size: 5324098 | Author: wuyunzheng | Hits:

[VHDL-FPGA-Verilog] verilog实现FSK

Description: 用verilog语言，采用DDS技术实现的FSK
Platform: | Size: 4009917 | Author: yfvictoria | Hits:

[VHDL-FPGA-Verilog] 用modelsim仿真一个正弦波产生程序

Description: 用modelsim仿真一个正弦波产生程序-modelsim simulation using a sine wave generated procedures
Platform: | Size: 68608 | Author: 阿乐 | Hits:

[Embeded-SCM Develop] DDSsignalgen

Description: dds信号发生器-dds signal generator ask, am, fskdds signal generator ask, am, fskdds signal generator ask, am, fskdds signal generator ask, am, FSK
Platform: | Size: 3331072 | Author: appolo | Hits:

[Embeded-SCM Develop] SIN_fashengqi

Description: 2006altera大赛－基于软核Nios的宽谱正弦信号发生器设计：摘要：本设计运用了基于 Nios II 嵌入式处理器的 SOPC 技术。系统以 ALTERA公司的 Cyclone 系列 FPGA 为数字平台，将微处理器、总线、数字频率合成器、存储器和 I/O 接口等硬件设备集中在一片 FPGA 上，利用直接数字频率合成技术、数字调制技术实现所要求波形的产生，用 FPGA 中的 ROM 储存 DDS 所需的波形表，充分利用片上资源，提高了系统的精确度、稳定性和抗干扰性能。使用新的数字信号处理（DSP）技术，通过在 Nios 中软件编程解决 不同的调制方式的实现和选择。系统频率实现 1Hz～20MHz 可调，步进达到了1Hz；完成了调幅、调频、二进制 PSK、二进制 ASK、二进制 FSK 调制和扫频输出的功能。 -2006altera race-based soft-core Nios wide spectrum of sinusoidal signal generator design : Abstract : The use of design-based Nios II embedded processor SOPC technology. Altera Corporation system to the Cyclone FPGA series of digital platform, microprocessor, bus, Digital Frequency Synthesizer, memory and I/O interface hardware concentrated in an FPGA, the use of direct digital frequency synthesis technology and digital modulation waveforms required to achieve the rise, Using FPGA ROM storage of the DDS waveform table, and make full use of on-chip resources, improve the system's accuracy, stability and robustness. Use of new digital signal processing (DSP) technology, Nios through software programming to solve different ways of achieving modulation and choice. Realize the system freq
Platform: | Size: 407552 | Author: 刘斐 | Hits:

[Books] AD9852CompleteDDSandItsApplication

Description: 摘要：AD9852是美国ANALOGDEVICES公司生产的新型直接数字频率合成器(DDS)，具有频率转换速度快(小于lt~s)、频谱纯度高、工作温度范围宽(一25℃～+85℃)、集成度高等特点，是一种使用方便灵活、功能较强的芯片。AD9852由带有48位相位累加的数控振荡器、可墒程参考时钟倍乘器、反向正弦滤波器、计数倍乘器、两个300MHz12住数模转换器、高速模拟比较器和接口逻辑组成。可用于本振合成回路，高精度时钟发生器和FSK／／3PSK调制。文中介绍了AD9852的工作原理、引脚功能以厦具体应用。 -Abstract: AD9852 is Analog Devices Inc. The United States produced a new type of direct digital synthesizers (DDS), with frequency conversion speed (less than lt ~ s), the spectrum of high purity, the working temperature range of width (1 25 ℃ ~+ 85 ℃) , high integration, is a flexible and easy to use, more powerful chips. AD9852 by a cumulative 48 DCO phase can be moisture-way Multiplier times the reference clock, reverse sine filter, multiplying count, two 300MHz12 live digital, high-speed analog comparator, and interface logic composition. Can be used in the synthesis loop vibration, high-precision clock generator and FSK// 3PSK modulation. This paper introduces the working principle of AD9852, pin functions to specific application of Xiamen.
Platform: | Size: 126976 | Author: 梅名 | Hits:

[SCM] AD9832_FSK

Description: FSK信号发生器,用于AD98XX等DDS芯片,能够更改频率-FSK signal generator for AD98XX such as DDS chip, able to change the frequency
Platform: | Size: 2048 | Author: 陈锐 | Hits:

[VHDL-FPGA-Verilog] BFSK_VHDL_CODING

Description: 使用DDS技术，应用altera公司的芯片，以及杭州康芯公司的试验箱，实现BFSK信号的调制解调-The use of DDS technology, applications altera chips, as well as the core company in Hangzhou, Culture and Sport chamber, the realization of BFSK signal modulation and demodulation
Platform: | Size: 265216 | Author: 叶峰 | Hits:

[Other Embeded program] FSK

Description: 本代码是用单片机控制DDS芯片输出DDS信号 。该信号包括FSK调制信号和线性调频信号-This code is used to control single-chip DDS chip DDS output signal. The signal including the FSK modulation signal and linear FM signal
Platform: | Size: 2048 | Author: 王慧梅 | Hits:

[VHDL-FPGA-Verilog] fpga-fpdpsk

Description: FSK/PSK调制顶层文件 ，正弦波模块 ，正弦波模块初始化文件 ，振幅调整及波形选择模块 ，频率显示值地址产生模块 ，频率步进键核心模块 ，弹跳消除电路-FSK/PSK modulation top-level documents, sine-wave modules, module initialization file sine wave, amplitude adjustment and waveform selection module, the frequency of the displayed value address generator module, the frequency of stepping key core modules, bouncing the elimination of circuit
Platform: | Size: 27648 | Author: libing | Hits:

[Software Engineering] DDS-baseddesignofthesinusoidalsignalgenerator

Description: 本设计采用AT89552单片机，辅以必要的模拟电路，实现了一个基于直接数字频率合成技术(DDS)的正弦谊号发生器。设计中采用DDS芯片AD9850产生频率1KHZ~10MHZ范围内正弦波，采用功放AD811控制输出电压幅度， 由单片机AT89S52控制调节步进频率1HZ。在此基础上，用模拟乘法器MC1496实现了正弦调制信号频率为1KHZ的模拟相度调制信号；用FPGA芯片产生二进制NRZ码,与AD9850结合实现相移键控PSK、幅移键控ASK、频移镇键FSK。-AT89552 the single-chip design, supplemented by the necessary analog circuits, based on the realization of a direct digital frequency synthesis (DDS) generator of sinusoidal No. Friends. The design of DDS chip AD9850 produced using 1KHZ ~ 10MHZ frequency range of sine wave, the AD811 control amplifier output voltage range of from single-chip AT89S52-conditioning step frequency control 1HZ. On this basis, the use of analog multiplier MC1496 has sinusoidal frequency modulation signal 1KHZ degree analog phase modulated signal generated by FPGA chip NRZ binary code, combined with the AD9850 to achieve phase shift keying PSK, ASK ASK, frequency Shift key town of FSK.
Platform: | Size: 208896 | Author: 何蓓 | Hits:

[VHDL-FPGA-Verilog] dds_9760_ALL1

Description: DDS频率精确步进100HZ，拔码选择FSK，PSK，FM，ASK功能。-dds base on vhdl
Platform: | Size: 4042752 | Author: 李逵 | Hits:

[SCM] ask

Description: 用简单的DDS方法产生的波形来调制ASK以及FSK,使其调制更简单-The DDS with a simple way to generate the waveform modulation ASK, PSK, FSK, make it more simple modulation
Platform: | Size: 105472 | Author: JINJIN | Hits:

[Other] FSK

Description: 基于DDS的FSK调频，通过控制频率控制字1和频率控制字2来实现不同频率选择-DDS-based FSK FM, by controlling the frequency control and frequency control word 1 word 2 to achieve different frequency selection
Platform: | Size: 759808 | Author: 梁梁 | Hits:

[Modem program] ddsmodem

Description: modem ask, fsk, psk program susing DDS
Platform: | Size: 12288 | Author: venkata | Hits:

[VHDL-FPGA-Verilog] DDS

Description: DDS 用VHDL写的输出的正弦波程序 调频 调幅 调相-DDS WRITE IN VHDL ,including FSK ASK
Platform: | Size: 1024 | Author: 孙伟成 | Hits:

[VHDL-FPGA-Verilog] DDS(fsk-ask-psk)

Description: 基于VHDL的波形调制，其中包括调频、调幅，调脉宽等-VHDL-based waveform modulation, including FM, AM, pulse width modulation
Platform: | Size: 6747136 | Author: 王展 | Hits:

[VHDL-FPGA-Verilog] DDS

Description: 能在DDS中用Verilog HDL语言实现FM,AM,FSK,ASK,PSK，结合可编程器件FGPA等等就能实现这些功能 -DDS can be used in Verilog HDL language FM, AM, FSK, ASK, PSK, etc. FGPA programmable devices can be combined to achieve these functions
Platform: | Size: 6281216 | Author: 王凡 | Hits:

[VHDL-FPGA-Verilog] DDS

Description: 在FPGA里面实现DDS的功能，输出正弦、三角波、方波、FSK/ASK/BPSK调制波等-Inside the FPGA realization of DDS function, the output sine, triangle wave, square wave, FSK/ASK/BPSK modulation wave
Platform: | Size: 1867776 | Author: sanxing | Hits:

[DSP program] 9854 RAM FSK（扫频）

Description: 通过单片机控制DDS模块AD9854进行扫频(DDS module AD9854 is controlled by single chip microcomputer to sweep frequency)
Platform: | Size: 33792 | Author: 大树王 | Hits:
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