I need to use FPGA to measure the duty cycle of a 10HZ-2MHZ, 100mv-10V square wave. After the signal is amplified by opa847, the duty cycle of the original signal changes. What should I do?...
The experts found that the c2000 launchpad has the following problems when executing the following statements. Please explain. GpioDataRegs.GPADAT.bit.GPIO0 = 0; GpioDataRegs.GPADAT.bit.GPIO1 = 0; Gpi...
In the past, one of the challenges in implementing and deploying multicore system-on-chip (SoC) devices has been providing the right tools for programming and debugging these platforms. To fully explo...
Use Jinyue DSO112A portable oscilloscope to measure the power drive signal, which is convenient and simple. The video taken by the mobile phone is a bit blurry [media=x,500,375]http://v.youku.com/v_sh...
[i=s]This post was last edited by ylyfxzsx on 2016-7-22 15:57[/i] Look at the time, it's almost time to get off work. Although I don't go to work, I'm free, but I'm always lazy. How lazy am I? At this...
[i=s]This post was last edited by yang_alex on 2018-5-4 19:57[/i] USB data communication is initiated by the host. The host sends a command (or request) to the slave, telling the slave what you want t...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
Analogue and Mixed Signal
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