For RF engineers, the receiver sensitivity of their own design is one of the most concerned and important parameters. So let's first look at the definition of receiver sensitivity:The minimum signal l...
As the title says, industrial modules are usually powered by 24V, but there are also 48V ones, right? Are there any standards for voltage values?
The above voltage will determine the load capacity of ...
Choose the latest boost converter and Class D amplifier from Texas Instruments to significantly increase the battery life of your trolley speakers : https://training.eeworld.com.cn/course/5500...
[size=4] What is makefile? Maybe many Windows programmers don't know this thing, because those Windows IDEs have done this work for you, but I think to be a good and professional programmer, you still...
1.CPU structure: 16 registers R0-R15, 16-bit arithmetic logic unit ALU and an instruction control unit.
2. Registers R4-R15 are general registers and have no special functions.
R0-R3 has special featu...
2019 is like a dream. After experiencing many turning points in life, I have really changed a lot. I remember the saying that sometimes people grow up in an instant.
At the beginning of 2019 , the com...
Radio
Frequency
Identification (RFID) is a technology that uses
radio
frequency signals to automatically identify target objects and obtain relevant information. The basic RFID ...[Details]
TSMC's 5nm process is once again in line. In addition to Apple, AMD, and Qualcomm, automotive component giant NXP will also introduce related processes next year. The industry expects that the hot or...[Details]
On October 14, the 2020 China International Information and Communication Exhibition opened at the Beijing National Convention Center. The theme of this exhibition is "Network Integration of Everythi...[Details]
1. Instrument installation direction There are two installation directions: horizontal installation and vertical installation. Horizontal installation is divided into left-in and right-in and right-o...[Details]
Three-phase inverter circuit
Figure 2 Three-phase inverter circuit diagram
When the three-phase inverter is working normally, its circuit structure is shown in the figure.
In the figure, Qi ...[Details]
In the first two tutorials, we learned the basic principles of LED, button, switch, the use of digital input and output and the relationship between them. We used the three functions of pin_mode, pin...[Details]
Recently, BOE, the leader in the domestic display panel industry, released its 2021 annual performance report. Data showed that BOE's net profit last year reached 25.826 billion yuan, a year-on-year ...[Details]
The configuration relationship between the three: ICache | DCache | MMU | Allowed? ================================= Off | Off | Off | Yes On | Off | Off | Yes Off | On | Off | No Off | Off | On | Ye...[Details]
In the field of semiconductor chips, India has also believed that it has seized strategic opportunities in recent years and has continued to attract investment from the United States, the European Un...[Details]
Recently, the results of China Unicom's Cat.1 chip centralized bidding project were released, and Unisoc successfully won the bid. The published bidding information shows that the procurement scale i...[Details]
1. System working principle The following figure is a time controller with adjustable timing from 1 minute to 24 hours. Its printed circuit board is shown in the figure on the right. The contr...[Details]
On the afternoon of November 10, Xiaomi and China Unicom jointly released a new Wi-Fi 6 router, the Xiaomi Router CR6606, which is suitable for home gigabit bandwidth and Wi-Fi 6 network. ...[Details]
Previously, Terry Gou announced that SDP was no longer associated with him, but to whom its shares were sold remained a mystery. Foxconn founder Terry Gou invested in panel maker SDP (Super Display...[Details]
According to the Economic Daily, Japanese foreign investors pointed out that the COVID-19 pandemic has affected terminal demand, and IC design company MediaTek's revenue in the second quarter may rem...[Details]
Working principles of stepper motors and asynchronous motors
Working Principle of Stepper Motor
A stepper motor is an open-loop control system that controls the motor's rotation through a...[Details]