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1. Why is the starting condition of self-oscillation |AF|>1? How is it calculated? 2. Why is it easier to self-oscillate when the feedback depth is greater? Please answer this question, I don’t unders...
China introduced high-speed rail in 2008, and by the end of 2014 the network had grown to 16,000 km. It is the largest high-speed rail network in the world, carrying 2-3 million passengers per day. Th...
I am working on a product migration recently. The user data has 7 blocks of content. The old products all communicated using the EEPROM read and write method, and I am not familiar with the internal c...
[Ask if you don't understand] The TPS3802 chip is selected as the reset chip. The manual says that the reset time is 400ms (meets the requirement). But this 400ms is the delay implemented inside the c...
Experimental effect: Click on the 6 small pictures on the screen to switch the small pictures to full-screen pictures. 1. To realize the small pictures, the original pictures need to be compresse...[Details]
An oscilloscope is an electronic measuring instrument with a wide range of uses. It can transform invisible electrical signals into visible images, making it easier for people to study the changing p...[Details]
On February 27, the Beijing Economic and Information Technology Bureau issued the "Notice on the Application for the First Batch of National-level Specialized, Innovative "Little Giants" Enterprises'...[Details]
Jiwei.com reported on January 4 that Zhang Guoquan, director of Xiaomi's mobile phone system software department, recently published an article to answer questions of concern to consumers. Let's take...[Details]
Introduction:
The ADP2119/ADP2120 are low quiescent current, synchronous step-down DC-DC regulators in a compact 3mm x 3mm LFCSP_WD package. Both devices use a current mode, constant frequ...[Details]
Supercapacitors are widely used in the automotive field and natural energy collection due to their outstanding advantages such as high power density, short charge and discharge time, long cycle lif...[Details]
The automotive market is turning to the trend of regional controller architecture, and the automotive regional controller architecture is developing in the direction of distribution, integration an...[Details]
Timer is a very important concept in microcontrollers. This article mainly makes a study note on timer TIM1. 1 Overview STM8S003xx only contains TIM1, TIM2, and TIM4, among which TIM1 is an advance...[Details]
Weighing sensor is a commonly used measuring instrument, which has certain applications in many industries. The selection of display controller for weighing sensor is also very important for the use o...[Details]
Recently, Tesla released a futuristic electric pickup truck on the other side of the ocean. At the same time, at the 2019 Guangzhou Auto Show, various car companies also showed off their own "top pro...[Details]
Simple implementation of STM32 CRC32 usage Remember to enable the STM32 CRC clock before use //STM32 hardware CRC32 byte data calculation, move the data to the highest bit, and fill the low bit wi...[Details]
introduction
With the booming development of electronic technology, the government and medical institutions at all levels are working hard to improve the medical system to better serve pat...[Details]
Use LL library to configure systick LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK); LL_SYSTICK_EnableIT(); With the settings, clock source selected, and interrupts enabled, it should be possibl...[Details]
Abstract: μPSD32xx is a SoC microcontroller integrating 51 cores and PSD (Programmable System Device). It has many functional components and is cost-effective. It is widely used in tax control equipme...[Details]
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