After the copper is applied, there is an extra layer of PolyRegion. I looked at the previous board and found that there is no such layer. How can I cancel it? Thank you...
[size=4]Antennas are widely used in EMC and RF testing and measurement. Commonly used antennas are as follows:[/size] [size=4] [/size] [size=4]1. Biconical antenna:[/size] [size=4] [/size] [size=4]Com...
Content IntroductionA few years ago, the "Beauty of Mathematics" series of articles was originally published on Google Blackboard, which received millions of hits and was highly praised by readers. Be...
Mentor PADS VX2 4-layer router : https://training.eeworld.com.cn/course/5964Mentor PADS VX2 four-layer router? This tutorial uses the new version of Mentor PADS VX2.5 to explain in stages, from creati...
Obviously, the kernel timer of Linux is based on the clock tick (same as ucos). The clock tick of ucos can be set by the void OS_CPU_SysTickInit (INT32U cnts) function. In Linux, the clock tick is ...[Details]
Carefully plan projects, accurately introduce projects, and vigorously promote projects. In recent years, Gaotai County has continued to optimize the business environment, closely follow the requireme...[Details]
It seems that since Intel announced the 22nm process, the progress of chip technology has been turned into a numbers game by chip manufacturers. 14nm, 10nm, 5nm, 3nm... Gradually, the process nodes n...[Details]
Function List and Notes (lower-level driver part) 1. IO port initialization: control IO and communication IO. Control includes power control, reset and low power mode. Communication is the serial po...[Details]
The pulse width modulation (PWM) switching power supply only samples the output voltage and implements closed-loop control. This control method belongs to the voltage control type and is a single-loo...[Details]
Launch of new semiconductor (aR grade) series
The new Bourns® POWrFuse™ high power fuse series is designed to meet UL 248-13 standards.
Suitable for high power, high inter...[Details]
On the morning of December 9, Apple added a Lightning to 3.5mm jack two-way audio cable to its official website store. The accessory is priced at US$35 (RMB 279 in China) and its function is to...[Details]
Hua Hailiang, Vice President of Meizu Technology, revealed the new color of Meizu 16T - Whale Blue. When light shines from different angles, the back of the Meizu 16T Whale Blue can present...[Details]
In the third quarter (Q3) of this year, Qualcomm and MediaTek launched two flagship chips with "+", Snapdragon 8+ and Dimensity 9000+, respectively, which also brought certain performance improvement...[Details]
Keil MDK3.20 debug stm32 method under ULINK 1. Programs run in RAM Key points: (1) Change the download address of the program to the RAM space (2) Before debugging the program, set the SP ...[Details]
This stereo power amplifier is mainly composed of the integrated circuit TDA2030A. It adopts a typical power amplifier circuit, with the advantages of low distortion, few peripheral components, high s...[Details]
In the past few months, from the perspective of the global market, the growth rate of the robotics industry has slowed down, and robotics companies have faced a major test of mass project deliver...[Details]
Which is better, a solid electrode electrolyte analyzer or a liquid electrode electrolyte analyzer?
The author has been using electrolyte analyzers for nearly 10 years. In the first seven or eigh...[Details]
Abstract: Fieldbus is characterized by openness and interconnection, which is the fundamental reason why it is superior to other forms of systems. However, the nature of this open interconnectio...[Details]
PCB Design
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