/** File name: RTC generates a 1s signal, counts the 1s signal, and realizes the timing function* Design purpose: Through the .ch file configuration, use the RTC module to generate a 1s signal, thereb...
MAX267 is a dedicated bandpass filter chip. I want to get a gain of 10,000 times the center frequency signal, so I use two 267 cascades, each with two second-order filters, each with a Q of 10, the cl...
When I use Dingyang SDS1102CM digital oscilloscope to measure the sine wave, there is a slight step when it is displayed? Has any engineer encountered this and can give an answer?...
Circuit Function and AdvantagesThis circuit provides a simple and effective interface between the ADL5370 I/Q modulator and the AD9779A high speed DAC. The ADL5370 and AD9779A are well matched because...
The same is true for Wi-Fi. Without Wi-Fi, none of us can be swiping away on YouTube videos on our company laptops via a rogue hotspot in a busy but socially distanced coffee shop while we’re supposed...
In oal_memory.h: #define oalpatova(pa,c) (void *)(((c)?(pa)|0x80000000:(pa)|0xa0000000) Defined in eboot: volatile s3c2450_ioport_reg *s2450iop=(s3c2450_ioport_reg *)oalpatova(S3C2450_BASE_REG_PA_IOPO...
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
Electric motors and internal combustion engines of the same power have similar torque levels. High power requires high torque, and torque determines a vehicle's acceleration speed, commonly known a...[Details]
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
As AI accelerates across industries, the demand for data center infrastructure is also growing rapidly.
Keysight Technologies, in collaboration with Heavy Reading, released the "Beyo...[Details]
There are basically three causes of spontaneous combustion of electric vehicles: The first is that the battery components are punctured or suffer fatal damage due to a collision accident, and part ...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
Preface
Low-voltage motors are widely used in nonferrous metallurgical plants. Their abnormal operation not only impacts normal production but can also threaten human life. Therefore, providin...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]