(1) Choose a reasonable via size. For multi-layer PCB designs with normal density, it is better to use vias of 0.25mm/0.51mm/0.91mm (drilling/pad/POWER isolation area); for some high-density PCBs, you...
Razavi Analog Integrated Circuit Tutorial (English) : https://training.eeworld.com.cn/course/5218The Bible of analog circuit design, taught by analog electronics master Razavi himself!Fundamentals Of ...
Question: I want to add an ARM to the board and use it together with the DSP as the main processor, that is, the ARM can independently control peripherals, and the DSP can control peripherals by contr...
Group stage scheduleKnockout round scheduleChronological order 第一阶段---------------------------------------------------------------------------------------------Group A: Guess the score and win a car p...
It passed the second round of review on June 15th, and I hurriedly placed an order, and finally received it today. So show it:
1. Unboxing2. Front and back of the development board
3. The most critica...
Recently, I saw an article by QORVO mentioning that there are two mainstream ways to implement 3D Touch. The first is the "capacitive touch + force sensor" mode. In this mode, capacitive touch is resp...
There are now appliances on the market that can wirelessly charge mobile phones. Its principle is to convert the power supply into a high-frequency signal, and then receive and rectify it to charge...[Details]
The current detection circuit is necessary for current mode control. It detects the current on the power switch tube, then outputs a current sensing signal to superimpose the slope compensation sig...[Details]
0 Preface Nowadays, in school dormitories, accidents such as students’ valuables being stolen and fires caused by students’ mistakes often occur. These are “big problems” that have been plaguing stud...[Details]
Concept of synchronous generator
A synchronous generator is a device that converts mechanical energy into electrical energy, and its operating speed is synchronized with the frequency of the p...[Details]
Amazon recently announced plans to use drones
to deliver packages in the UK by the end of 2024.
The plan dates back to a decade ago when company founder Jeff Bezos first announced that he wo...[Details]
Spectrum Instruments is a leading technology company engaged in the development of computer (PC-based) solutions. Since its establishment in December 1989, Spectrum Instruments has developed into a g...[Details]
Foreign media previously reported that the Guangzhou 10.5-generation panel factory invested by former Foxconn Chairman Terry Gou is interested in selling. Industry experts said that with new panel pr...[Details]
Introduction to MCU Programming VI: Analysis of the Internal and External Structure of MCU (VI)
The third experiment
Last two times we did two experiments, both of which used the P1.0 pin ...[Details]
Although the turbine flowmeter has high viscosity, is suitable for high-pressure measurement, does not need to open holes on the meter body, is easy to make into a high-pressure meter, has good repea...[Details]
Endless belt initial adhesion tester It is suitable for testing the initial adhesion value of adhesives such as self-adhesives, labels, tapes, and protective films. Different from the steel ball init...[Details]
Why is the digital source meter called a source meter? To extend the concept of source? To differentiate it from a digital multimeter? To reflect its unique advantages? Keithley SourceMeter digital...[Details]
1. Introduction of foreign products
1 Toyota vehicle controller
The schematic diagram of Toyota's vehicle controller is shown below:
The car is rear-w...[Details]
Accurately measuring signal power levels is an important technical link in modern communication systems. Specifications and tolerances are important when analyzing circuit subsystems or entire co...[Details]
The HT1621 LCD display controller is a display component of a multifunctional fully automatic intelligent switch, which can monitor the operation of the power supply line in real time, accurately an...[Details]
Consumers have higher expectations for the fast charging experience of electric vehicles. They want to charge the battery to 80% in 15 minutes or less.
To meet this expectation, OEMs are...[Details]