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Description: 本系统基于直接数字频率合成技术；以凌阳SPCE061A单片机为控制核心；采用宽带运放AD811和AGC技术使得50Ω负载上峰值达到6V±1V；由模拟乘法器AD835产生调幅信号；由数控电位器程控调制度；通过单片机改变频率字实现调频信号，最大频偏可控；通过模拟开关产生ASK、PSK信号。系统的频率范围在100Hz～12MHz,稳定度优于10-5，最小步进为10Hz
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Size: 43091 |
Author: zhao |
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Description: 本系统基于直接数字频率合成技术；以凌阳SPCE061A单片机为控制核心；采用宽带运放AD811和AGC技术使得50Ω负
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Size: 16729 |
Author: chen85918 |
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Description: AD811视频运算放大器的主要技术性能及其应用.
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Size: 447215 |
Author: 仙儿 |
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Description: 本系统基于直接数字频率合成技术；以凌阳SPCE061A单片机为控制核心；采用宽带运放AD811和AGC技术使得50Ω负载上峰值达到6V±1V；由模拟乘法器AD835产生调幅信号；由数控电位器程控调制度；通过单片机改变频率字实现调频信号，最大频偏可控；通过模拟开关产生ASK、PSK信号。系统的频率范围在100Hz～12MHz,稳定度优于10-5，最小步进为10Hz-The system is based on Direct Digital Synthesis technology to Sunplus SPCE061A Singlechip for the control of the core the use of broadband and AGC OPAMP AD811 technologies enable 50Ω load peaks reach 6V ± 1V generated by the analog multiplier AD835 AM signal from NC program-controlled potentiometer modulation change the frequency of the word through the realization of single-chip FM signal, the largest controllable offset through analog switches have ASK, PSK signal. Frequency range of 100Hz ~ 12MHz, stability better than 10-5, the smallest step to 10Hz
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Size: 43008 |
Author: zhao |
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Description: 本系统基于直接数字频率合成技术；以凌阳SPCE061A单片机为控制核心；采用宽带运放AD811和AGC技术使得50Ω负-The system is based on Direct Digital Synthesis technology to Sunplus SPCE061A Singlechip for the control of the core the use of broadband and AD811 OPAMP technologies enable AGC negative 50Ω
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Size: 16384 |
Author: chen85918 |
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Description: AD811视频运算放大器的主要技术性能及其应用.-Video Operational Amplifier AD811 main technical performance and its application.
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Size: 446464 |
Author: 仙儿 |
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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.
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Size: 208896 |
Author: 何蓓 |
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Description: max262的中文资料，里面有非常详细的电路和程序等的讲解和典型电路介绍，非常好的资料-Chinese max262 information, there are very detailed procedures for the circuit and the circuit on and typical presentations, very good information
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Size: 2262016 |
Author: 无名氏 |
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Description: 关于AD811的中文资料，希望对初学者有所帮助。放大电路要求频率较高时可以使用。-About AD811 the Chinese data, hope to help beginners.
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Size: 420864 |
Author: 李刚 |
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Description: 很好的运算放大器，推荐大家使用这个运算放大器-Good op amp, we recommend the use of this op amp
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Size: 335872 |
Author: liping |
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Description: dssad9850信号源设计，基于9851单片机设计的，包括完整的设计工程代码和电路-dssad9850 source design, complete design engineering codes circuit based on the 9851 microcontroller
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Size: 13638656 |
Author: 致诚 |
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