EMI Test Specifications and Measurements
IntroductionMost power applications must reduce electromagnetic interference (EMI) to meet requirements, and system designers must try various methods to reduc...
Solve y=(ax^2-bx+c)/(dx+e) by programming, and put the quotient and remainder in the data memory 1000H and 1001H respectively. (1) Given a=8, b=6, c=10, d=7, e=9, x=5, find y. (2) Given a=0.9, b=0.1, ...
Recently, in a case of 9-150V input and 12V 8A output flyback, several measures to improve efficiency were compared:
1. Further optimize the transformer and reduce RCD loss;
2. LCD clamping;
3. Active...
[i=s]This post was last edited by dsjsjf on 2019-3-1 11:16[/i] [url=https://en.eeworld.com/bbs/elecplay/content/103]The development board ST NUCLEO-H743ZI evaluated in this event is provided by STMicr...
What is the relationship between the speed ratio of the reduction mechanism and the lever ratio? What is the relationship between the force of the first gear and the last gear?For example, in the figu...
The software uses ADC (ESP-12) to read the voltage and it reads 1V, but when it is measured with an ammeter or oscilloscope, it is only 0.5V. At this time, the voltage read by ADC will also become 0.5...
China Energy Storage Network:
It’s the end of the year again. Have you achieved all the goals you set at the beginning of the year?
On December 20, reporters learned from a press confere...[Details]
While we enjoy the great benefits of solid-state technology, the microelectronics at its core rely on clean electricity. Faster speeds and lower voltages mean higher demands on power quality. Power...[Details]
Digi-Key Electronics recently announced that the company added more than 500 new suppliers and 125,000 SKUs in 2021, significantly expanding its product portfolio. “We are excited to continue suppo...[Details]
Hangzhou, China - Picocom, a provider of 5G small cell baseband chips and carrier-grade software, announced today that
it has developed a FDD-enabled solution for 5G NR applications, achieving ...[Details]
This year, U.S. automaker Ford Motor added LFP (lithium iron phosphate) batteries to its electric vehicle lineup and will support a U.S. LFP battery factory to help it scale up to m...[Details]
Introduction of single-phase asynchronous motor:
Single-phase asynchronous motor is a common AC motor, usually used in household appliances, small mechanical equipment, etc. The rotor of the s...[Details]
The iOS 15.4 update reportedly introduces 123 new emoji designs, including icons like "Melting Face," "Troll," and "Pregnant Man." The influx of emojis included as part of iOS 15.4, iPadOS 15.4, an...[Details]
Tesla, which has been more interested in developing automatic robotic arm charging solutions in the past, has begun to enter the field of wireless charging. Recently, Tesla chief designer Franz von H...[Details]
Earlier, there was news that Hongqi revealed the news of the "Hongqi customized version of Huawei P40" when warming up the new car. Recently, a poster suspected to be the Hongqi customized version of...[Details]
After talking so much, I guess for novices, they still don’t know what a microcontroller looks like. The following is a physical picture of the microcontroller we commonly use:
Figure 1 M...[Details]
Navitas Semiconductor Launches World's First Smart GaNFast GaN Power Chip and New GaNSense Technology
Adding GaNSense™ Technology, New GaNFast™ GaN Power ICs Bring Highest Efficiency...[Details]
introduction With the rapid development of devices and process levels, switching power converters have developed into efficient and lightweight DC power supplies . DC/DC converters (also know...[Details]
In this section, we mainly talk about the working principle of the serial port on the microcontroller and how to set up the serial port through the program, as well as realize communication with th...[Details]
Recently, SNE released the global power battery installed capacity data for March. So far, the global power battery installed capacity ranking for the first quarter has been released. From the firs...[Details]
With the development of global industrialization, fossil energy has been consumed in large quantities, which has also brought considerable impact on the environment. In the "12th Five-Year Plan for En...[Details]