OSP Process and SMT Application Guide 湖州生力电子有限公司 沈新海Abstract: This article briefly introduces the production process, advantages and disadvantages of OSP PCB, and provides guidance for our company's a...
Recently, I saw a heated discussion about LM2576 on the Internet. There are different opinions. Some say it is very useful, while others think it is not very good. I have made some power supplies for ...
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...
With the rapid development of electronic technology, digital integrated circuits have been widely used, and digital chips have penetrated into various fields of production and life. Correspondingly, v...[Details]
1. LED pin forming method
1 The bracket must be bent 2 mm away from the colloid.
2 The bracket forming must be done with a clamp or by a professional.
...[Details]
At the end of November last year, the new Tesla Model 3 went on sale, and its product design and functional changes attracted outside attention. In the Tesla Model 3, SiC has been applied in mass p...[Details]
1Written in front In order to make it easier for beginners to master the relevant knowledge of the IAR tool, I will start with an overall overview and then move on to specific details. This articl...[Details]
When talking about new light sources, the first thing that comes to mind is LED, followed by the highly anticipated laser light source. However, the hottest light source technology recently is the ...[Details]
Figure 1. Principle circuit diagram of flyback converter
The flyback conversion principle derived from Buck-Boost is shown in the figure. Because the circuit is simple and can provide DC output ...[Details]
On December 15, the Jiangxi Ganzhou West (Qianzhou) 500 kV substation designed by China Energy Construction Shanxi Institute was officially put into operation.
The Ganzhou West (Qianzhou) 500 ...[Details]
At HOTCHIPS, the top academic conference in the chip industry held in San Francisco, the United States, Alibaba DAMO Academy released a new generation of AI voice FPGA chip technology - Ouroboros, wh...[Details]
Pulsed S-parameter measurements
ZVA provides a full set of pulse S parameter measurement functions, including average pulse measurement (Average Pulse), point in pulse measurement (Point in Pulse) ...[Details]
Circuit Function and Advantages
High-side current monitors can encounter overvoltage conditions after a transient or when the monitored circuit is connected, disconnected, or powered down. The circu...[Details]
The promotion and use of smart meters is a livelihood project that benefits the people. It has greatly improved the electricity conditions of rural residents, improved the automation level of distrib...[Details]
FPGA is a field programmable gate array, which is a chip with multiple power requirements. It is a common electronic chip in electronic technology design. Therefore, when it is powered, the power...[Details]
Google announced the Portrait Light feature at the Pixel 5 and Pixel 4a 5G smartphone launch event at the end of September, allowing users to manually control the lighting effects in photos by ...[Details]
According to Nikkei News, on April 19, Japanese high-end chip company Rapidus held a media roundtable. President and CEO Junyi Koike explained the concept of the company’s first factory, which was an...[Details]
First, let's talk about the electrolytic capacitor in the input circuit. As we know, the DC input current of the inverter is usually very large. The maximum input current of a 12V 1000W inverter can ...[Details]
Analog electronics
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