Original URL: https://zhuanlan.zhihu.com/p/85308440Figure 2-1 is a simplified block diagram of a superheterodyne spectrum analyzer. "Heterodyne" means mixing, that is, converting frequencies, and "sup...
TDA2030 is an audio amplifier circuit, which adopts V-type 5-pin single in-line plastic package structure. As shown in the figure, it can be divided into H type and V type according to the shape of th...
I originally wanted to establish a Bluetooth broadcast function, using a connectionless method to broadcast sensor data to a mobile phone. I searched around in NXP Rapid IoT but didn't find a function...
7 Issues on passive component embedding in standardization WG Figure 15 shows three typical forms of passive component embedded structures. This form has been in practical use for about 10 years, and...[Details]
The USB interface has the characteristics of high transmission rate, small size, and external power supply, so it is very convenient to connect and use computers with external hardware devices. A...[Details]
On March 13, BAIC Group and CATL signed a strategic cooperation agreement on business cooperation and advanced technology empowerment. The two parties plan to jointly develop power battery products...[Details]
According to the Hong Kong Economic Journal on the 4th, TSMC reportedly plans to expand its plant construction plan in Arizona, USA. TSMC announced in May last year that it would spend 12 billion US ...[Details]
The main purpose is to run the program in RAM to remove the read protection. I didn't expect that ST-Link Utility can do it directly. ST-Link Utility: target-- options bytes-- you can see the read pr...[Details]
On January 29, BOE released its 2020 annual performance forecast, which pointed out that BOE's net profit in 2020 was 4.8 billion yuan to 5.1 billion yuan, a year-on-year increase of 150% to 166%; no...[Details]
Crazy summer study: Notes on compilation of introductory learning (XI) - middle section
Reference: Assembly Language, Chapter 12 by Wang Shuang
An interrupt is when the CPU receives som...[Details]
In recent years, new energy vehicles have developed rapidly in China. Due to its high efficiency, energy saving, low noise, and pollution-free characteristics, it has become a new trend in the develo...[Details]
CAN (Controller Area Network) is a serial communication network. It uses many new technologies and unique designs, which makes it have outstanding advantages in reliability, real-time and flexibili...[Details]
The development of automobiles is now driven by several aspects: electrification, intelligence and lightweight. Global automakers are working hard to transform into the era of electrification, reduci...[Details]
Electric vehicles (EVs) and hybrid electric vehicles (HEVs) are evolving, and so are the electronics in them. More and more electronics are playing a major role in the overall build and functionali...[Details]
With the deepening of the reform of the power system, the separation of power plants and power grids has been initially formed. The accurate measurement of the power generation of power plants and ...[Details]
1. Program running out of control: The value of the program counter (PC) in the microcontroller is beyond our expectations. An abnormal deviation has occurred, deviating from the location where th...[Details]
In order to meet the EU's new emission regulations, Volkswagen has formulated a large-scale electric vehicle development plan. According to the plan, by 2020, the annual sales of Volkswagen Group ele...[Details]
Silicon carbide has excellent electrical properties such as high voltage resistance, high temperature resistance, high frequency, and radiation resistance. It breaks through the physical limitation...[Details]
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