Some time ago, I used LM2776 to build a -5V circuit to power the op amp. After the board was completed, I found that the batch could not be powered, and the -5V was only about 0.6.
The circuit was als...
This is the first post of 2022, recording the past events of 2021 and my aspirations for 2022!
I changed jobs for the first time in 2021. Although my previous job was comfortable, the comfort made me ...
Ramtron International, the world's leading supplier and developer of non-volatile ferroelectric memory (FRAM) and integrated semiconductor products, announced that Hyundai Autonet of South Korea has s...
Shopping on the Internet, stock trading at home, video conferencing, and distance learning are in stark contrast to the scene of us queuing up in the post office to make phone calls a few years ago. F...
Tektronix has released new firmware for its 5 Series and 6 Series MSO mixed signal oscilloscopes, introducing a new analysis tool called Spectrum View, which is available as a free upgrade and can per...
Following Broadcom, the world's fourth largest German silicon wafer manufacturer Siltronic has lowered its full-year operating target twice in the past two months. Industry insiders believe that afte...[Details]
Successful people always adapt to the needs of the times - quoted from the movie "Chinese Partners"
The combination of wearable devices and big data will create a huge potential market. However...[Details]
Recently in Beijing, the National New Energy Vehicle Supervision Platform and Tsinghua University Battery Safety Laboratory have summarized the recent safety status of new energy vehicles. We compare...[Details]
When programming PIC microcontrollers, you may encounter this problem: the program is fine, the program is burned successfully, and the hardware is powered on, but why is there no response? Later I f...[Details]
1. Fault phenomenon Phase lock error occurs after the instrument is turned on 2. Testing process There are many circuits in the phase-locked circuit design. According to the principle block diagram...[Details]
Engineers at Pennsylvania State University in the United States are studying Category 7 copper cables to support data transmission speeds of up to 100Gbps. Their research may enable copper cables ...[Details]
According to official news, on June 25, SMIC (688981) held its first interim shareholders' meeting in 2021 and voted to approve the 2020 annual report. In addition, the shareholders' meeting approved...[Details]
X-ray fluorescence spectrometer is a scanning instrument. When the instrument is running, many parts are in motion, such as goniometer, crystal converter, collimator, etc. Parts that are in motion fre...[Details]
According to the Economic Daily, Intel's advanced process mass production is stuck, and AMD has stepped on the gas to overtake and grab market share. It has pre-booked TSMC's 7nm and 5nm production c...[Details]
1 Introduction
With the development of science and technology, computer-based measuring instruments, which we often call virtual instruments, are increasingly closely connected with computers....[Details]
Recently, Yongtai Technology said in an institutional survey that the VC project capacity release plan is in preparation for trial production and is scheduled to be put into production in August-Sept...[Details]
In recent years, with the vigorous development of the information industry, information services and Internet applications have shown a blowout and diversified development trend, prompting the rapid ...[Details]
introduction
With the development of electronic information technology and computer network technology, the realization of home informatization and networking is a new trend in the development...[Details]
Central topics:
Basic relationship of PFC continuous operation mode of boost power circuit
Critical Continuous Boost Inductor Design
Usually, there are three operating modes of PFC i...[Details]
CNC (Computer Numerical Control) system is a kind of automation equipment controlled by computer, which is widely used in mechanical processing, mold manufacturing, aerospace and other fields. CNC ...[Details]