Why is the current passing through rb'e in the high-frequency equivalent circuit of the transistor Ib? Shouldn't it be Ie? Which expert can answer this question? Thank you all....
[font=微软雅黑][color=#333333][font=微软雅黑][color=#444444]Recently, I have sorted out and collected some information about engineers using SD NAND on MCUs (mainly some mainstream STM32, Allwinner V3S and ot...
[i=s] This post was last edited by Baboerben on 2019-4-12 19:40 [/i] [size=4] Digital tubes are also one of the most commonly used output devices in single-chip microcomputer systems (along with liqui...
When downloading a program to the flash of the SM320F2812 chip, I found that the buttons on the On-Chip Flash Programmer interface are all gray, and only the Unlock button is lit and can be used. Howe...
I started playing board games 6 years after graduation.
It's been almost 9 years, and I don't have many boards.
Many lost their belongings when they graduated, worked or moved.
The rest are reluctant ...
My colleague asked me to test the voltage difference between the diode anode marked by the red circle and the busbar and 12Vo-. The waveform is as follows. Is this called clamping voltage? Switching n...
Digi-Key Electronics, a global distributor of electronic components with a wide range of products and fast delivery, has announced the exclusive global distribution of the XPLR-IoT-1 Discovery Kit fr...[Details]
Overview: China Micro Semiconductor has launched a highly integrated, one-stop thermostat solution based on the main control chip (CMS80F261x), touch chip (CMS80F751x), FOC motor driver chip (CMS32M...[Details]
RX1E Ruixiang.
On September 23, the reporter learned from Shenyang Aerospace University that China's first electric aircraft with independent intellectual property rights, the RX1E Ruixiang tw...[Details]
#include reg52.h
#include intrins.h
#define uchar unsigned char
uchar num=0;
init();
main() //Control the light on and off with timing
{
init();
while(1)
{
if(num==2...[Details]
0 Introduction
Intelligent transportation system is the development trend of future transportation system, and intelligent vehicles play a very important role in intelligent transportation...[Details]
Recently, the U.S. government announced a major decision to provide up to $8.5 billion in subsidies to semiconductor giant Intel and an additional $11 billion in loans to promote the company's semico...[Details]
The new CPU uses the company's first out-of-order architecture design, which enables higher instruction throughput, better performance and faster processing speeds. Although RISC-V began as an acad...[Details]
USART, also known as Universal Synchronous Asynchronous Receiver/Transmitter, provides a flexible method for full-duplex data exchange with external devices using the industry standard NRZ asynchrono...[Details]
On December 11, 2021, the third day after the second Battery Day press conference, the signing ceremony of Honeycomb Energy's B+ round of equity financing was held in Changzhou, Jiangsu Provinc...[Details]
In the brushless DC motor control system, DSP is usually used to collect and process signals. However, due to the high price of DSP, in some occasions where real-time requirements are not high, MC...[Details]
【 Abstract/Foreword 】 At Samtec, we talk a lot about Signal Integrity (SI) and our work developing new high-speed connector solutions for the latest applications. Samtec is very active in the...[Details]
The following text is only about the modulation algorithm of Bluetooth technology. I think it is enough to add the Bluetooth module to the microcontroller, and it is not necessary to implement the ...[Details]
Working frequency and measurement performance of ultrasonic level meter: When the sensor works at high frequency (40-70KHz), the sensor is small in size, small in blind area, good in directivity, and...[Details]
Recently, David Su, CEO of Atmosic, released his predictions for the five major development trends in the field of Internet of Things in 2021, including: increased application of photovoltaic energy,...[Details]
The 2-wire temperature sensor is a common temperature measurement device, which is widely used in industry, scientific research, medical treatment and other fields. This article will introduce in d...[Details]