I use the cyclone II ep2c5t144 FPGA of Altera and the development board of Hangzhou Kangxin. The board is designed with jtag interface download, and the downloader provided is also parallel port to jt...
Dear masters, please help me! Thank you very much!I am now going to use the msp430f149 chip to do an AD conversion. What I want to sample is a ripple voltage signal! The frequency is about 100KHz! I n...
1. More than three years of relevant experience in electronic engineering, with product development experience in car DVD audio systems; 2. Ability to design MCU and analog circuits, and understand em...
The equipment is driven by two sets of identical motors and reducers. Because the transmission speed is required to be very low, the vector mode cannot meet the requirements. I want to add an encoder ...
Abstract: The application of flyback synchronous rectification in low-voltage and low-current DC-DC converters is studied. The working principle of the main circuit, several driving modes and their ad...
When I was posting, I suddenly didn't know how to start. I turned on my computer after get off work and read the posts posted by EE forum friends. I thought I could write a summary. Three days have pa...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
FPGA/CPLD
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