-
Summary of battery standards and regulatory knowledge from around the world
Unfortunately, in the past two decades, lithium batteries have made headlines several times in terms of safety. Many incidents caused by lithium batteries have ...
See More
-
EMI Suppression in Microcontroller Packaging
IC packaging typically includes silicon based chips, a small internal PCB, and solder pads. The silicon based chip is installed on a small 64PCB, and the conne...
See More
-
On the Signal Input Mode of Power Amplifiers
Regarding the selection of signal input mode for power amplifiers. In professional audio engineering, problems such as signal parallel connection and bridging a...
See More
-
What are the characteristics of fingerprint, face, iris, heart rate, and voice r...
With the continuous emergence of biometric technology in the commercial field, more and more biometric technology devices or functions are being applied by peop...
See More
-
The design details of MOS transistor driver circuits that engineers must know
It is generally believed that MOSFETs are voltage driven and do not require driving current. However, there is a junction capacitor between the G and S stages...
See More
-
How to design low noise operational amplifiers
The reality of physical processes prevents us from obtaining ideal operational amplifiers with perfect accuracy, zero noise, infinite open-loop gain, conversion...
See More
-
CM119 USB Headphone Microphone Speaker Speaker Solution
CM119 is a highly integrated single-chip USB audio controller specifically designed for VoIP (Voice over Internet Protocol) applications. All important analog m...
See More
-
Working principle of three-phase PWM motor driver A3936
Brushless DC motors have the advantages of simple structure, reliable operation, and convenient maintenance of AC motors, as well as the high efficiency and goo...
See More
-
LED chip technology and analysis of domestic and international differences
Chip is the core component of LED. At present, there are many LED chip manufacturers both domestically and internationally, but there is no unified standard for...
See More
-
Single chip full bridge AutoResonant transmitter IC simplifies wireless battery ...
The wireless power transmission system consists of two parts, separated by an air gap in the middle: a transmission (Tx) circuit, including a transmission coil;...
See More
-
Fundamentals of Motor Control Design
Both software and hardware are part of all motor control systems, such as IGBT, WBG semiconductor, and MCU. The development of Industry 4.0 strongly relies on m...
See More
-
frequency response
The frequency range refers to the range between the lowest effective playback frequency and the highest effective playback frequency that the audio system can p...
See More
-
Noise and grounding issues
Earth and electricity (signal) are inseparable twins. Grounding usually refers to connecting a conductor to the ground. In electronic technology, the ground may...
See More
-
Illumination level of common negative and common positive digital tubes
1. Common cathode digital tube When the bit is selected as low level, select the digital tube. (Because the bit selection is essentially connected to the commo...
See More
-
Detailed explanation of the working principle of the full bridge motor drive cir...
In circuit design, the role of a full bridge is very important. When the four diodes in a bridge rectifier circuit are packaged together, they form a full bridg...
See More
-
Analysis of the Development Status and Future Trends of Intelligent Speakers
OFweek Smart Home Network News: In 2014, smart speakers began to enter the domestic market, but at that time they were not yet called smart speakers, but rather...
See More
-
BLDC Motor Control Design
DC motors are widely used in the fields of servo automation and robotics. The working principle of an electric motor is based on the interaction between two mu...
See More
-
Selection and Selection of Power Filter Capacitors
In rectifier filtering circuits, the selection of filtering capacitors is often based on the formula RC ≥ (3-5) T/2. In actual circuit design, some people als...
See More
-
An article for newcomers who want to play with audio systems
The development history of sound technology can be divided into four stages: electronic tubes, transistors, integrated circuits, and field-effect transistors.
See More
-
Introduction of overvoltage protection device ESD electrostatic protection devic...
The most commonly used ESD protection devices on the market can be divided into three categories: polymers, varistors/suppressors, and diodes. The biggest chall...
See More
Business consulting
13823761625
Mail me