Notes for Chapters 1 to 4 Off-topic: Due to work reasons, I rarely use embedded systems, so I have never had a detailed understanding of various embedded systems. When I encounter them, they are based...
Lockheed Martin and Qorvo have been working together for a decade to create trusted source microelectronics for the US military's top systems. One example is the anti-battery radar AN/TPQ-53, or Q-53....
Qorvo provides leading technology and comprehensive product solutions for demanding hybrid fiber-coaxial (HFC) and broadband applications. Qorvo's broadband portfolio includes high-power amplifiers, l...
Transistor, whose full name should be semiconductor triode, also known as bipolar transistor and crystal triode, is a semiconductor device that controls current. Its function is to amplify weak signal...
As consumers, we always hope that new energy vehicles have a long enough range, a fast enough charging time, and can be used effortlessly and achieve the same efficiency as fuel vehicles, while enjoyi...
Compared with GaAs, silicon or other traditional semiconductor materials, GaN will shine in 5G network applications, such as high frequency and small base stations with limited size. As shown in the f...
Direct digital frequency synthesis (DDS) is a new frequency synthesis technology that has developed rapidly at the end of the 20th century. It introduces advanced digital processing technology and met...[Details]
Verifying that the equipment software can achieve continuous operation under various conditions, and evaluating the time and other impacts required for the equipment to recover from a failure are t...[Details]
With the rapid development of LED lighting and the gradual improvement of light efficiency, LED manufacturers have put forward higher requirements for LED drivers , connectors and other devices. W...[Details]
Emergency measurement of online resistance using digital multimeter
Abstract: This paper introduces a loading voltage reduction measurement method, which can enable
a digital
mu...[Details]
In December 2021, Xiaomi launched three models: Xiaomi 12, Xiaomi 12 Pro, and Xiaomi 12X. According to leaked news, in addition to the above three models, Xiaomi also has a super cup flagship ...[Details]
China Energy Storage Network News:
(Text/Zhou Xiaotian and Meng Dingbo)
In November, continuous rains caused the temperature in Rome, the capital of Italy, to drop sharply. On the st...[Details]
Used to monitor the changes of combustible gas in the surrounding air from 0~100%LEL. The sensor adopts catalytic combustion technology and the sensor can be replaced on site. Catalytic combustion se...[Details]
background
The verification of signal chain chips is inseparable from jitter and eye diagram measurements.
Jitter considers the uncertainty of the time when the clock or data c...[Details]
Why does charging take so long?
What does it mean to offer "fast" charging? It depends on your definition of "fast" -- and it usually comes down to consumer expectations. A common example ...[Details]
1. Experimental Purpose Learn how to use the text box control. Master how to open and read files in binary form. Display the digital content of a binary file in a text box. Respond to keyboard messag...[Details]
China Energy Storage Network:
Recently, my schedule has been quite tight, including practical trips to promote the implementation of energy storage projects and virtual trips to attend energy...[Details]
Introduction When the clicker project is produced, the production information (production time, software version, etc.) needs to be included when the program is burned. If there is a problem with...[Details]
According to a post by a netizen from IT Home, OPPO Find X started testing ColorOS 11 yesterday. The system is based on Android 11, has a size of 3.47GB, and the version number is PAFM00PRE_11_...[Details]
To use a 32.768 kHz watch crystal as the device clock source, the low frequency crystal oscillator must be selected by setting the CKSEL fuse to “1001”. The crystal connection is shown in Figure 13. ...[Details]
Soft start and frequency converter start are two common motor starting methods, each with its own advantages in energy saving.
1.1 Soft Start
A soft starter is a device used to control th...[Details]
Real-time operating system RTOS
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