I have been working in the embedded industry for about 8 years. I have a lot of feelings and understanding about C language. This article will talk about the in-depth study of C language. Every time I...
This picture doesn't look like DohertyRF power amplifiers are widely used in various wireless communication devices. In communication base stations, linear power amplifiers account for about 1/3 of th...
I graduated from university in June 2018 and now work in a company that doesn't pay much attention to hardware. This job is really useless and I can't learn any technology. Now I want to find a new jo...
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I would like to ask, how to calculate the switching frequency of MOS tube? For example, in the figure below, the optocoupler is 521 and the MOS tube is 3205. What is the highest switching frequency of...
Yesterday, when I was testing an isolation transformer, a wire on the secondary side fell off and touched a wire on the primary side AC220V grid. The transformer was isolated, so it should have been f...
In the field of motor control applications, commonly used DSP chips have shadow registers, which are generally set to mapping mode, that is, the conventional TI mode. Each time the comparison value...[Details]
Specific operation methods of SARM data type
SARM space is the most important part of AVR microcontroller, and all operations must rely on this part to complete. There are three storage modes for...[Details]
Last time when I bought chips, I accidentally found that STC also has 8-pin microcontrollers. In my impression, only ATMEAG has 8 pins. So I bought a few and downloaded the manual today to study it. I...[Details]
Various initiatives around the world to reduce the energy consumption of electronic systems are driving single-phase AC input power supply designers to adopt more advanced power supply technologies...[Details]
A multimeter is an essential tool for electricians. The method for measuring continuity is as follows: 1. Disconnect the power supply to ensure that the measured part is not energized. 2. Adjus...[Details]
In C language, it is not easy to use an accurate delay program. In IAR, there is a function called __delay_cycles(), which is defined in the header file intrinsics.h. The function is to delay N instr...[Details]
Cirrus Logic announced that Jason Rhode will step down as CEO and director effective January 1, 2021. The Cirrus Logic Board of Directors has appointed John Forsyth, 47, the current president, as pr...[Details]
MSP430F149 (hereinafter referred to as "F149") is an ultra-low power Flash 16-bit RISC instruction set microcontroller launched by Texas Instruments (TI). F149 has rich internal hardware resourc...[Details]
On June 5, Sony officially announced that Xperia 1 will be officially released on all platforms at 10 am tomorrow, priced at 6,299 yuan. However, as of 8:11 am on June 5, Sony Xperia 1 had only 1,179...[Details]
Evergrande Auto told investors a perfect story. At Evergrande Group's 2020 annual performance meeting, Evergrande Chairman Xu Jiayin talked about the much-talked-about "Evergrande Automobile" an...[Details]
In recent years, with the development of automobile accident prevention measures and autonomous driving technology, the demand for advanced driver assistance systems (ADAS) that support high safety...[Details]
01 Determine whether the circuit or device is energized The digital AC voltage range is very sensitive, and it can display even a small induced voltage around. Based on this feature, it can be used a...[Details]
The following method is transferred from the Internet and has not been verified
Environment: Ubuntu 13.04
1. First, make an SD boot disk:
Insert the SD card
sudo dd iflag=dsync ofl...[Details]
Temperature detection is common in the field of industrial measurement and control. Using high-precision A/D conversion chips and single-chip microcomputers, a temperature detection system with hig...[Details]