As shown in the figure below, only A1, A2, and A3 are input. A1 inputs a PWM signal with a duty cycle of 0.2, A2 and A3 input high level, Y1 outputs normal, Y2 and Y3 outputs seem to be affected by Y1...
"ATTACH" designed by Zhu Guozhu, a Hong Kong "design innovation" company, breaks the general public's preconceived impression of the appearance of mobile phones. The body can be unfolded and rolled up...
1 What are setup and hold time? Setup time and hold time. Setup time refers to the time that the data signal needs to remain unchanged before the clock edge. Hold time refers to the time that the data...
Contents: Currently, several versions of subroutine libraries have been published, each with its own characteristics. The square root algorithm in this library is a fast approximation algorithm that c...
I was about to publish a post yesterday, but I accidentally closed the page. I thought my efforts were wasted. After I opened it, I found a data recovery option. Wow, the edited post is back. I don't ...
My BSP is provided by Guangqian! It seems that there are traces of Youlong code in it! (very messy) I used sysgen for the first time and it was fine! But after I changed the project code under BSP (su...
As a natural human-machine interface, voice can make the in-vehicle navigation system safer and more user-friendly. Through the functional comparison of domestic and foreign in-vehicle navigation s...[Details]
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
With the continuous improvement of living standards and the increase in the proportion of urban aging, the household use of medical electronic equipment has gradually become a trend. Among them, the...[Details]
At present, a hot spot for the research and development of hearing aids abroad is concentrated in China. To be more precise, it is based on the research of Chinese language and speech, and the deve...[Details]
As the whole equipment is becoming increasingly miniaturized and power-saving, low-dropout linear regulators (LDOs) with low power consumption are becoming the mainstream in the market for linear regu...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
0 Introduction
At present, the analysis of intra-pulse signals in pulse radar has always been a hot topic and difficulty in research. How to measure the intra-pulse carrier frequency more ...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[Details]
Among the many candidate standards for China's mobile TV, the CMMB standard proposed by the Broadcasting Science Research Institute of the State Administration of Radio, Film and Television is aime...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its exc...[Details]
With the continuous emergence of new technologies and the increasing complexity of DSP real-time systems, there are more and more different types of external devices. Writing drivers for these exte...[Details]
Although the human eye is very good at distinguishing colors, different people can describe the same color differently, which means that verbal descriptions are not enough in applications that requ...[Details]
Analog electronics
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