Bidirectional SPWM inverter rectifier battery charging and discharging maintenance deviceLead-acid batteries are one of the most widely used energy storage components, such as in post and telecommunic...
Dear experts, I would like to ask you a question. I am using DM642 to transplant MPEG-4 algorithm.After reading the MPEG-2LOOPBACK program in the experiment package, there are many things I don't unde...
I used TO to generate 38k infrared square wave, and used T1 to delay, so that I could generate square wave in segments, and then use the integrated connector to receive it. I found that no matter what...
The simplified schematic diagram of the single-ended flyback switching power supply, the input voltage is 120-150VAC, as shown in the figure
During the debugging process, if you want to observe the se...
I am using the example program PWMINPUT, and I connected a PWM signal to PA0.1. The example program says: The TIMxCLK frequency is set to 72 MHz, the Prescaler is 0 so the TIM2 counter clock is 72 MHz...
1 Overview
Drugs are like a "double-edged sword". They can treat diseases but can also cause serious adverse consequences. The dual nature of drugs depends on whether they are used rationally....[Details]
introduction
At the beginning of this century, Veit used Einthoven's galvanometer to record the electrical activity of the human pregnant uterus from the body surface for the first time. In 19...[Details]
1 Overview
The BP01 pressure sensor is specially designed for monitoring blood pressure and is mainly used in portable electronic sphygmomanometers. It uses a precision thick-film ceramic chip and...[Details]
Safety is the top priority in the production process, especially for dangerous operations. When the high-voltage line is shut down for maintenance, it is necessary to follow the regulations of powe...[Details]
In view of the problems in the actual FPGA development process, such as difficulty in locating faults, long compilation time after repeated code modification, and inability to confirm fault solutio...[Details]
The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
From the moment AVS video was born, scientists and engineers have been working tirelessly to reduce the size of audio and video bitstreams. Various advanced video compression algorithms have emerge...[Details]
Introduction With the continuous development of economy, people's demand for automobiles is increasing day by day. Correspondingly, automobile consumer groups are becoming more and more mature. It...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
With the rapid development of network technology and information communication, network economy and knowledge economy are no longer the exclusive domains of IT and other high-tech industries. The i...[Details]
Some application designs have higher requirements on the speed at which the system's switching power supply can provide voltage output. Figure
1
shows
the
bootstrap
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Lifting wavelet transform not only has the advantages of traditional wavelet multi-resolution, but also simplifies the operation and is easy to implement in hardware. Therefore, it is widely used in d...[Details]
With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
In recent years, the development of automotive electronic technology has significantly improved vehicle safety performance. One of the technologies that is expected to be widely used is the tire p...[Details]