We all know that motor drive is one of the main application areas of IGBT. Some students may have such confusion:"IGBT is originally used to drive the motor, so why does it need a driver? What does th...
Many years ago, I saw an article about an AC voltage stabilizer. Figure (01) is a simplified schematic diagram of the AC voltage stabilizer.Figure (01) and Figure (02) are the main circuits of the AC...
MSP430F2131, check the chip manual, this chip does not have XT2 clock source, and the high-frequency clock can only use DCOCLK. If a 12M clock source is needed, but the factory DCOCLK accuracy does no...
I want to share the interview experience of a netizen at Texas Instruments. Through the written test, I found that Texas Instruments still attaches great importance to basics. Most of the written test...
Nowadays, many wireless module manufacturers will provide some samples for customers to test, but some customers take them back and the distance they test is not ideal, far from the distance tested by...
5G New Radio (5G NR) sparked heated discussions at the Mobile World Congress (MWC) in February this year, and was formally approved by 3GPP in the form of proposal RP-170741 at the Dubrovnik meeting ...[Details]
Industrial systems often control processes or machinery in close proximity to workers. This makes industrial system safety critical, and failures in industrial systems can have serious consequences f...[Details]
0 Introduction Most of the entrances to urban residential buildings are open, which is convenient for residents to enter and exit, but it also brings many inconveniences to residents' lives. For exam...[Details]
Tracking Tester Based on standards: IEC60112: 2003 /GB4207-2003 Determination method of tracking resistance index and comparative tracking resistance index of solid insulating materials , simulation ...[Details]
Japan will invest heavily to strengthen its domestic semiconductor supply chain under Prime Minister Yoshihide Suga's first economic policy and growth strategy. The Nikkei reported that the Japanese ...[Details]
1. Why use an operating system?
(1) When we usually write code, we usually write it like this:
#include "reg51.h"void main(){ while(1)
{
dosomething(); //User's program
}
}
This is th...[Details]
The technological advances achieved in the field of medical imaging over the last century have created unprecedented opportunities for non-invasive diagnostics and established medical imaging as an i...[Details]
Abstract: This paper mainly introduces a design method of an ECG service system based on an ECG sampling module and a smart phone. First, the basic framework of the system is given, and then the d...[Details]
Abstract: This application note provides an easy-to-use frequency calculator for determining the appropriate model number, bias resistor, and input settings for the DS1090 low-frequency, resistor-prog...[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]
1. Three major resources of MCU 1. Flash - program storage space It is equivalent to the hard disk of a computer and can ensure that data is not lost after a power outage. 2. RAM - Data storage spa...[Details]
0 Introduction
CMMB (China Mobile Multimedia Broadcasting) is China's first mobile broadcasting and television standard with independent intellectual property rights for mobile terminals. It is als...[Details]
..............................PCF8563 test program main function............................ ............................................................................... ............................[Details]
On July 26, Shandong Lithium held a press conference in Heze City, announcing that the 62,500-ton lithium iron phosphate and 100,000-ton iron phosphate projects were put into full production. At th...[Details]
Why do we need PWM subdivision? Because it can make the stepper motor run smoothly, reduce noise, increase speed (MAX), increase torque...
Why do we emphasize that it is a 51 single-chip microcompute...[Details]
Power technology
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