EVM: Error vector magnitudevector errorEVM is one of the most important indicators in the field of digital communication. It is affected by the following 7 aspects.1. IQ branch gain imbalance. Assume ...
I seldom asked about my classmates' salaries, but I couldn't avoid other classmates asking me. My salary is very low, and it's still not over 10,000 after working for 4 years. I was too embarrassed to...
The CC2640R2F device provides a fully certified leading edge Bluetooth 5 protocol stack supporting high-speed mode for single-mode Bluetooth low energy applications. The CC2640R2F is part of the Simpl...
Intelligent connected cars from inside to outside: Current status and development of Internet of Vehicles : https://training.eeworld.com.cn/course/6135...
1. Measurement method Measuring DC resistance is an important item in transformer testing. Through measurement, it is possible to check whether the conductive circuit of the equipment has defects suc...[Details]
ARM processors support position-independent programming, which means that programs loaded into any address space of the memory can run normally. Its design method plays an important role in th...[Details]
There have been a lot of leaks about Samsung's next-generation flagship Galaxy S21 recently, and almost all the important details have been revealed. As expected, the new phone should be an improve...[Details]
Ensures accuracy of next-highest linearity IP3 measurements
Engineers often need to perform third-order intermodulation intercept point (IP3) measurements to better understand the linearity of their ...[Details]
According to the research and consulting firm Gartner's 2019 Hype Cycle for Emerging Technologies, 29 technologies that must be observed were announced, and five major emerging technology trends were...[Details]
In machine vision, measurement is an indispensable branch. Measurement mainly includes object size measurement, distance measurement, and object integrity detection. 1D measurement and 2D measurement...[Details]
5. Serial communication between ATMEGA16 USART and PC Five - (02), the PC sends characters to the microcontroller, and then the LCD displays the sent characters~~~ This chapter is also relatively sim...[Details]
Currently, a paradigm shift is taking place, which is frequently referred to as Industry 4.0 (Industrie 4.0 in Germany). In international usage, terms like the (Industrial) Internet of Things, Smar...[Details]
The ultrasonic sensing module market is expected to grow at a compound annual growth rate (CAGR) of 5.1% from 2019-25 to reach $6.2 billion in 2025, according to Yole Développement (Yole). Bulk s...[Details]
The concept of smart home originated very early and is becoming more and more popular in China. Many families have installed smart homes, but are smart homes really that good? Today, the editor wil...[Details]
Symptoms: Symptoms: The application interface displays abnormally after arm is started (part of the left side cannot be displayed normally), that is, there is one area missing on the left and one are...[Details]
Ozone O3 is a light blue gas with a grassy smell. Its chemical properties are very active. Its energy when free instantly produces a strong oxidizing effect. It has a very strong oxidizing ability. H...[Details]
This article is compiled from Microwave Magazine Q: Cree recently announced the expansion of its manufacturing capacity and the establishment of the world's largest SiC factory in New York to crea...[Details]
Schematic diagram of the circuit that steps down 12V to 9V output composed of discrete components (transistors)
Input 9V to 30V output 24V 5A boost power supply circuit diagram ...[Details]
A junction temperature calibration method for Si IGBT and SiC MOSFET power devices is proposed, which realizes low natural anti-interference junction temperature calibration.
A circuit f...[Details]
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