[p=30, null, left][color=rgb(34, 34, 34)][font="][size=4][color=#000000]Switching power transformer[/color]Switching power transformer is a power transformer with a switching tube added. In addition t...
stm32/boards/pllvalues.py: Relax PLLQ constraints on STM32F413 MCUs.
stm32/powerctrl: Support using PLLI2C on STM32F413 as USB clock source.
stm32/powerctrl: Allow a board to configure AHB and APB clo...
The battery voltage is pulled down, the BAT battery voltage is 4.21V,
When MCU_CTL is at a low level (short-connected to GND and then released), Q5 and Q1 are turned off, and the BAT_OUT output is alr...
There was a problem with the project recently. After changing the program, the compilation was not correct.It's as if the program has not been modified, so it runs incorrectly.
Can any experts please ...
Using ordinary PWM IC + logic chip + 2 half-bridge drivers to achieve 4-switch buck-boost instead of LM5175 is too expensive. Currently, the production line uses hundreds of pieces every day.This cont...
The dielectric loss measurement coefficient (tgδ) is an important parameter that describes the performance of the insulation material of electrical equipment. It is usually defined as the ratio of act...[Details]
More than 8 months after its release, the Xiaomi Mi 10 Pro has been officially removed from Xiaomi Mall. IT Home found that in Xiaomi Mall, the latest Xiaomi mobile phone digital series includ...[Details]
(1) The DC voltage value of the AC/DC superposition signal cannot be distinguished The Y-axis input coupling selection DC-ground-AC switch is mistakenly set to AC position (should be set to DC ...[Details]
According to reports on January 28, General Motors, the global automobile giant, hopes to switch from soft-pack batteries to round batteries in future electric models . It is understood that the c...[Details]
According to the US iPhone sales data for March shared by Consumer Research Intelligence Partners (CIRP), the 5.4-inch iPhone 13 mini is still unpopular with customers. Of all the iPhone 13 model...[Details]
According to Jiwei.com, the Xiamen Semiconductor Investment Group 2021 Investor Annual Meeting and System Integration and Advanced Packaging Seminar was successfully held in Haicang, Xiamen on Januar...[Details]
With the advancement of power electronics technology and the application of microprocessor technology, the appearance of motor control and electrical transmission has been greatly changed. A...[Details]
Application of Ceramic Sensors (I) Detecting Car Temperature Generally, more than 10 ceramic temperature sensors are needed to detect the temperature of a car. For example, the engine electronic ...[Details]
Imaging spectrometers were developed in the 1980s based on multispectral remote sensing imaging technology. They use high spectral resolution to obtain hyperspectral images of scenes or targets. They...[Details]
Matthias Schmidt mentioned his statistics on the European electric vehicle market in the June "European Electric Vehicle Report" - this year, while the overall pure electric market sales in Europe ha...[Details]
C51 is C language for 51 single-chip microcomputer. There are still many differences here. I believe you all know that the operation in C language is very simple, just int and float . Of course, int a...[Details]
;The system crystal is 11.0592 MHz
;51 MCU sends MCU program
; this program is simulated by Proteus
;This program has been tested on hardware
; 2007-05-27
; A simplified circuit diagram is attac...[Details]
The magnetotelluric field carries information about the structure, structure, temperature, pressure and physical state of the earth's interior, providing a scientific basis for studying the laws of ...[Details]
Yesterday, Lv Qianhao, head of ZTE's consumer terminal strategy department, posted a Weibo comment on OPPO Find X2. He said that after a preliminary experience with OPPO Find X2, it is a domestic fla...[Details]
Thevenin's theorem and Norton's theorem are collectively called the generator theorem, the active two-terminal network theorem, and the equivalent source theorem.
In engineering pr...[Details]