Many people, when designing PCBs, directly send the PCB files to the PCB board factory for processing. The samples obtained from the Slitung factory, especially the engineers who use Protel, Altium De...
During the May Day holiday, I went to Zhangjiajie. As a result, when I was driving on the highway in the Xiangxi mountainous area at night, I clearly felt that there was a stone in front of me that I ...
Input 3-5V, need a boost circuit to charge 7.4V battery (9V?), current 3A. Does anyone have a mature and stable chip application circuit? The chip must be from a big brand...
The world's largest sporting event was delayed 34 minutes due to a power outage. The delay was caused by older lighting technology that required a cool-down period before it could be used again and a ...
I am very lucky to be able to participate. Thank you Electronic Engineering World for the opportunity and Professor Zhang Jindong for providing the development board. It is said that I participated in...
The key to bridge rectifier AC to DC In fact, the full name of the rectification bridge is "bridge rectifier", which is composed of four rectifier silicon chips connected in a bridge manner and then...[Details]
1. Redundant instructions The CPU instruction fetching process is to fetch the opcode first, then the operand. Artificially inserting some single-byte instructions in the key places of the program, o...[Details]
summary
In a distributed base station system, RRU usually achieves remote interconnection with BBU through optical fiber. Due to the characteristics of optical fiber itself, jitter and drift will...[Details]
In 2008, BSIMM (Build Security In Maturity Model) came out, marking the concept of maturity model being more detailed from software development to the security field. Synopsys has released BSIMM fo...[Details]
challenge Analyze and evaluate the impact of differences in gaseous fuel composition on the necessary operating conditions of biomass-fueled engines. solution NI LabVIEW software and PXI hardware w...[Details]
01 Is it necessary to have a car? In the past, with the investment in the national high-speed rail network and public transportation, our perception of private transpor...[Details]
Information from the Ministry of Industry and Information Technology shows that Huawei Terminal Co., Ltd. obtained a new phone access license on December 6. The device model is NOH-AN50, which belong...[Details]
Question 1: Every oscilloscope has a frequency range, such as 10M, 60M, 100M... The oscilloscope I use is nominally 60MHz. Can it be understood that it can measure up to 60MHz? But I can't measure the...[Details]
We have disassembled the ZTE Axon 20 5G. Next, we will analyze what is special about this phone from the perspective of components. ZTE Axon 20 5G configuration at a glance: SoC: Qualcomm Snapdrago...[Details]
Linear Technology Corporation introduces ultra-low noise DC/DC uModule (uModuleTM) regulators LTM4606 and LTM4612, which provide low noise power by attenuating radiated energy and conducting broadb...[Details]
1 Introduction to STM32 Microcontrollers
The STM32 series microcontrollers are highly integrated microcontrollers based on the Cortex-M3 core from ST. It sets a new benchmark in terms of perfo...[Details]
The 2440 startup process is a difficult point and not easy to understand. The understanding of the 2440 startup process affects the subsequent analysis of the bare metal code execution process, thus ...[Details]
Nine advantages of LED
soft light strip
1. Pure color: LED soft light strip uses high
brightness
SMD LED as light-emitting
element
, so it has the advantages of LED lig...[Details]
Abstract: In notebook computers and portable DVD applications, there is a problem with the audio system, that is, the dynamic range of the speakers is limited and cannot meet the requirements of pr...[Details]
The MAX2686L/MAX2693L low-noise amplifiers (LNAs) are designed on Maxim's advanced SiGe process to achieve high gain and low noise figure while maximizing the input-referred 1dB compression point and...[Details]
PCB Design
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