VIA Lab's VL813 is an advanced 4-port USB 3.0 hub controller with fully integrated voltage regulators, low power consumption, and comprehensive USB charging support. The integrated 5V DC-DC switching ...
The above figure is the circuit diagram of the metal detector. The 555 timer acts as a square wave generator here, which generates a pulse frequency that humans can hear. The capacitor between pin 1 a...
I am developing a small speaker recently. Its function is very simple. It has Bluetooth connection and power amplifier. The power is about 2.5W. The Bluetooth main controller is AC6969D, and the power...
[font=Times New Roman]【If you don't understand, ask】[/font] [font=Times New Roman]The picture shows the package size of a film capacitor. What does b mean? D stands for the diameter of the pin[/font]...
Most lighting designers believe that all LED products are of the same quality. However, there are many manufacturers and suppliers of LEDs, and Asian manufacturers supply low-cost LEDs to the world...[Details]
Abstract: The main interference sources and characteristics of the defibrillator test analyzer are analyzed, and the main measures to suppress interference are discussed. Test and analysis prove that...[Details]
At the end of 2018: Texas Instruments (hereinafter referred to as TI) officially cancelled the agency rights of Xinye, which caused widespread heated discussions in the component circle. At this poin...[Details]
On December 17, Yingtang Intelligent Control received a letter of concern from the Shenzhen Stock Exchange, requesting additional information on the specific circumstances of Yingmeng Technology’s sh...[Details]
From Domain Architecture to Zone Architecture – Software Defined Vehicles (SWdV) and requirements for future data lines There are currently two terms that cannot be avoided when reading automotive ...[Details]
On May 21, Xiaomi’s official Twitter account announced that the Redmi Note 8 2021 model will be released soon. Xiaomi introduced that the global sales of Redmi Note 8 have exceeded 25 millio...[Details]
Usually, the following situations require a higher specific gravity: ① When the substrate is severely oxidized (this phenomenon cannot be objectively identified by the naked eye and must be tested in...[Details]
1 Introduction When digital information is transmitted in a noisy channel, it will be affected by noise interference, and bit errors are always inevitable. In order to achieve a certain bit error r...[Details]
Current control High-brightness LEDs need to be maintained at a relatively high constant current to maintain a certain brightness and color. The luminous flux of an LED is proportional to the for...[Details]
1. Introduction
As the main device for electromechanical energy conversion, DC motors are widely used in all walks of life. With the rapid development of computer electronic technology, the con...[Details]
According to news on February 2, an investor recently asked on the investor interactive platform whether Guoxuan Hi-Tech's 2022 production capacity plan has reached the expected target and has reache...[Details]
How to Choose Your Interface and Distribution Amplifier?
Interfaces: Confirm the sync levels and connections for inputs and outputs. If you must boost the signal for long distance transmission, ...[Details]
Real-time signal processing definition
The term "real time" originated from digital simulations of physical systems. If the speed of the simulation system matches the speed of the real system ...[Details]
Although there are many types of multi-level topologies, they can be roughly divided into three types: diode clamped type, flying capacitor type and independent DC power supply cascade multi-level. T...[Details]
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