I recently made a speech playback device. The 8KHz/16bits PCM speech signal passed through a 16bitPCM DAC with an 8KHz sampling rate playback. I found that the speech distortion was very serious and a...
I found a problem when debugging the flyback power supply today:
The current of 4*1W LED remains unchanged at 350MA, and the voltage drop is 13.2V; as the power-on time increases, the voltage graduall...
Capacitive touch is very popular. Many mobile phones use capacitive touch screens. We, who make small appliances, always realize it later. We are only planning to use capacitive touch to replace the p...
[i=s]This post was last edited by johnrey on 2016-5-27 22:09[/i] I'm working on FM radio. I tried tea5767 before, but I felt that the reception was average and there was always some noise, so I instal...
The structure of an LCD TV primarily consists of the LCD display module, power module, driver module (primarily including the main driver board and tuner board), and keypad module. LCD display modu...[Details]
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
Smartphones have become essential digital devices, and the growing number of smartphone-centric applications is enriching people's lives. As users, they desire a better app experience and a wider r...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
Electric vehicles' 12V batteries don't rely on a generator to power them. Only gasoline-powered vehicles rely on the engine to drive a generator to generate electricity while driving, which is used...[Details]
According to Nikkei, Japan has performed poorly in responding to China's power semiconductor challenges.
There are five major companies in Japan's power chip market: Mitsubishi Electric,...[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]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[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]
Lightweighting of automobiles is still a relatively unfamiliar term for automobiles. With the continuous improvement of environmental protection requirements, relevant regulations have also put for...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
In camera and display systems, the demand for high-performance and low-power data interfaces is driving continuous technological evolution. The evolution of MIPI D-PHY and MIPI C-PHY clearly ...[Details]
Traditionally, electrical energy is transmitted primarily through wires, requiring direct physical contact between the power source and the load. With the increasing number of electrical devices in...[Details]
The drive shaft is the shaft in a universal joint that transmits power. As a high-speed, low-support rotating body, its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing...[Details]
Embedded System
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