A netizen shared this picture. I looked at it and felt a little confused.
The problem is as follows:
1.LM393 is an amplifier, so the output should be pulled up, but in the figure it is connected back ...
Dear teachers,
Last year, my teacher gave me a power supply, which has been lying idle and gathering dust. Suddenly, I wondered if I could use it to charge a 48V electric vehicle. Can I use it directl...
Is it 100BASE-T1, 1000BASE-T, 100BASE-TX, 10BASE-T or 10BASE-Te? For those who are not well versed in Ethernet physical layer (PHY) terminology, it can be difficult to evaluate the various types of te...
Hardware vulnerabilities can affect the security of computers, medical devices, and systems. Secure enclaves and trust roots are not enough. Computer security researchers have disclosed two major pro...
The UCC28700 device is a primary-controlled flyback power supply controller that supports constant voltage and constant current regulation. The device not only provides high resolution for vol...[Details]
Electric motors play a role in almost every part of our daily lives. They drive dishwashers and washing machines, keep homes cool, and are essential to modern transportation. Brushless DC (BLDC) moto...[Details]
Intel is about to launch the 13th generation of Raptor Lake processors, and now the high-end Core i9-13900HK and Core i7-13700H processors have appeared in the GeekBench benchmark database. Intel's 1...[Details]
I have seen many beginners confused about reading and writing ID codes of PIC16 series microcontrollers. To be honest, the information on this aspect is not very complete. Some textbooks may involve ...[Details]
The
UBA2028
is a high voltage power IC that drives and controls electronically ballasted
Compact Fluorescent Lamps (CFLs). The IC includes a Metal-Oxide-Semiconductor
...[Details]
The United States has imposed tariffs on China and Mexico, and most Taiwanese technology companies have suffered, but some stocks that benefited from order transfer have also emerged. For example, Qu...[Details]
Features of water bath nitrogen blowing instrument
1. The water bath nitrogen blowing instrument is suitable for test tubes (diameter 10~29mm), conical flasks, centrifuge tubes, and sample capaci...[Details]
Nowadays, UC3842 integrated circuits are widely used to form high-performance current-type switching power supply control circuits, which are suitable for offline switching regulated power supplies o...[Details]
In physics, continuously changing physical quantities are defined as analog quantities. The quantities in our world are all continuous, such as temperature, pressure, height, etc., so the world we li...[Details]
introduction Judging from the mass production process of smart driving, basic single-lane level L2 functions have become popular, high-speed NOA functions are gradually becoming standard, and urban...[Details]
Beijing time, August 26th morning news, it was reported that people familiar with the matter revealed that Google's new generation of Pixel smartphone devices will use 5G network modems produced b...[Details]
(Photo source: Penn State official website) According to foreign media reports, researchers at Pennsylvania State University in the United States have developed a new strategy that can expand the ...[Details]
The circuit features good amplitude stabilization performance, high output power, and low waveform distortion. It is an ideal low-frequency measurement signal source. In the figure, operational ampli...[Details]
Lenovo Netcom Technology Co., Ltd. (hereinafter referred to as "Lenovo Netcom"), a leading intelligent data management solution and service provider dedicated to driving Chinese enterprises to unleas...[Details]
According to foreign media reports, in order to enhance data capture capabilities during vehicle driving tests, ADAS system evaluation company IVEX cooperated with one-stop design and customization...[Details]
Analog electronics
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