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Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]

This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]

12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]

introduction Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]

As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]

Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]

With the rapid development of the IT industry, the demand for small DC cooling fans with PWM control (hereinafter referred to as fans) used in electronic products is increasing. This type of DC fan...[Details]

1 Introduction Max+PlusⅡ is an integrated FPGA/CPLD development environment provided by Altera. It can independently compile simple VHDL programs. However , the automatic elevator contro...[Details]

UPS is an uninterruptible power supply (UPS). This device can ensure that after a power outage in the computer system, users can continue to work for a period of time and save files urgently, witho...[Details]

In the field of video surveillance, video compression encoding formats have evolved from M-JPEG, H.263, MPEG4 to H.264. Currently, H.264 is the mainstream compression algorithm. Its biggest advantage ...[Details]

Compared with traditional lighting fixtures, LED lamps do not need to use filters to produce colored light. They are not only highly efficient and pure in color, but also can achieve dynamic or gra...[Details]

Comparison of electrostatic testing between automotive electronics and ordinary electronic products Electrostatic discharge is a natural phenomenon. When two materials with different di...[Details]

Introduction: At present, the main grounding form of the low-voltage power distribution system in our city is only one TN-C grounding method. Nowadays, there are more and more types of electrical e...[Details]

Integration of the secondary of redundant AC/DC power supplies has been largely ignored by semiconductor manufacturers. The result is a multitude of discrete components such as op amps, transistors, r...[Details]

摘要：设计了一套基于CPCI总线，PCI9054桥接芯片和可编程逻辑器件(FPGA)的高速数据采集卡。FPGA作为本地主控芯片，根据工控机经PCI9054转发的采集命令，通过光纤接口实现与雷达接收机的通信。采用高速RAM缓存数据，采集的接收机测试数据的分析结果可在工控机上显示，从而实现了对雷达接收机性能的快速测试。该采集卡具有较强的通用性和可扩展性，详细介绍了高速数据采集卡的组成和工作原理、...[Details]