[p=30, null, left][font=微软雅黑][size=3][color=#000000]Recently, MobData, a research organization, released a report on the domestic smartphone market in the third quarter. This report analyzes the brand...
The following figure simulates the actual PCB routing situation
As shown in the figure, which type of capacitor placement and filtering wiring is better?...
It is easy to find 100fF capacitors as parasitic elements in your power supply. You must understand that you have to deal with them to get a power supply that complies with EMI standards.A small amoun...
1. What is the inverted state of a transistor? When the collector junction is forward biased and the emitter junction is reverse biased, it is an inverted state; when the collector junction is forward...
When porting from CH32F103 to CH32V103, the original program has IAP. After switching to RISC-V, I don't know how to convert the instructions. The main questions are:
1. In the ld file, the ROM start ...
What a talent! The test result of the pegboard: in a normal office environment, the communication distance with the mobile phone is up to 30 meters.
The antenna is a solder wire of about 31mm, which i...
With the development of society, cars are becoming more and more popular. With the increase in the number of cars, the probability of traffic accidents is also increasing. It is difficult to an...[Details]
How to achieve variable frequency PWM output for STC microcontroller (with PCA function)? Many friends are still using timers to do variable frequency PWM. Here I will introduce how to use hardware P...[Details]
APM32 series modules enable faster charging and longer driving range for all types of electric vehicles
September 29, 2022 - ON Semiconductor, a leader in smart power and smart sen...[Details]
Intel CEO Pat Gelsinger believes that the global chip shortage will remain a problem for the next two years, and semiconductor problems are expected to continue until 2024. A global semiconductor s...[Details]
From September 4 to 7, 2019, the 21st China International Optoelectronics Exposition (CIOE 2019) was grandly held at the Shenzhen Convention and Exhibition Center. As a comprehensive exhibition of th...[Details]
Recently, the largest national 5G power test network in China was completed in Jinjialing, Laoshan, Qingdao, Guzhenkou, West Coast, Qingdao Olympic Sailing Center and Qingdao State Grid Dispatching...[Details]
The main interference sources and coupling paths of the IGBT drive circuit in the three-level inverter system are analyzed. On this basis, some issues of the EMC design of the IGBT drive circuit a...[Details]
The LED could not be turned on before, and I found out through the simulator that the GPIO registers cannot be configured without using the GPIO clock.
The test code is as follows:
...[Details]
Processor and data center architectures are changing to meet the higher voltage demands of servers running AI and Large Language Models (LLMs).
Servers once consumed only a few hundred watts...[Details]
NCL30000 is a small and medium-sized switching power supply controller
from On Semi
, suitable for single-stage PFC LED
driver
. NCL30000 has a very low starting current of 24uA, an ...[Details]
Although the structure of thermocouples is simple, various problems still occur during use, which can cause large measurement errors. In order to improve measurement accuracy, reduce measurement erro...[Details]
According to foreign media reports, in an inter-university research project led by the Hong Kong University of Science and Technology (HKUST), an environmentally friendly rechargeable liquid fuel has...[Details]
With the vigorous development of the Internet of Vehicles, network security has become an issue that cannot be ignored. On September 5, during the 2020 TEDA Forum, Zhao Zhiguo, Director of the Cybers...[Details]
Recently, PATEO Telematics Technology (Shanghai) Co., Ltd. (hereinafter referred to as "PATEO") and Huawei Technologies Co., Ltd. (hereinafter referred to as "Huawei") announced that they have reache...[Details]
ON Semiconductor has announced a new generation of silicon and silicon carbide hybrid power integrated modules (PIMs) in the F5BP package, ideal for increasing the power of large solar string inver...[Details]