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After the spot welding is turned on once, there is no current output. And the capacitor voltage is pulled down to 1v, and it slowly rises back to the original voltage after releasing the welding pen. ...
Distributed Wi-Fi, also known as Wi-Fi mesh, is the next generation of indoor infrastructure for the Internet of Things (IoT). It is based on a "Pod in Every Room" architecture that provides seamless ...
As one of the important infrastructures of the digital industry, the Internet of Things has ushered in a golden period of development. Through the collection, analysis and output of data, the Internet...
[i=s]This post was last edited by qwqwqw2088 on 2021-11-3 13:28[/i]Switching power supply power factor and its correction methodPower factor compensation: In the 1950s, a method was proposed to improv...
Now I have a serial port [color=#ff0000](1)[/color] and want to use an external jumper cap to select which part to connect to [color=#ff0000](2)[/color] or [color=#ff0000](3)[/color]. How should I des...
It is well known that synchronous rectifiers can significantly improve power efficiency by replacing the rectifier node voltage with a lower resistive switch voltage drop. The challenge is to devel...[Details]
How to choose appropriate components and parameters for switching power supply circuits? Many engineers who have never used switching power supply design may have a certain fear of it, such as worryi...[Details]
Circuit Functionality and Benefits : The circuit shown in Figure 1 is a single-supply, low power, battery-powered, portable gas detector using an electrochemical sensor. The Alphasense CO-AX carbo...[Details]
Section 1 System Design This project completes the real-time acquisition of CIF resolution images, AVS full I frame compression encoding, and network transmission based on the FPGA platform. This...[Details]
Switching power supplies have the advantages of low power consumption, high efficiency, wide voltage regulation range, and small size. They are widely used in electronic circuits such as communic...[Details]
LED switching power supplies will develop towards high frequency in the future, because high frequency promotes miniaturization and enables switching power supplies to enter a wider range of applicat...[Details]
As we all know, bipolar junction transistors (BJTs) have a great cost advantage over MOSFETs. Controllers with external BJTs are cheaper than controllers with integrated MOSFETs. But in general, when...[Details]
Impedance matching devices are often used in high-frequency circuits, generally to match the impedance of components to the characteristic impedance of the circuit or system. In some circuits, it is ...[Details]
This article introduces a switching voltage regulator based on the dedicated chip UC3842. In the motor speed controller, the power supply provides the base (gate) drive voltage of the power switch el...[Details]
Current flow in electronic circuits often must be limited. For example, in a USB port, excessive current must be prevented in order to provide reliable protection for the circuit. Likewise, in a powe...[Details]
According to foreign media reports, several Korean media reported last week that executives from Samsung Electronics and LG are negotiating the purchase of TV OLED panels, and Samsung Electronics wil...[Details]
The dual-purpose variable DC regulated power supply is a must-have instrument for radio enthusiasts to use during maintenance. Here is an output of ±1.25V~15V or +1.25V~30V, with an output current ...[Details]
In the field of communication, it is necessary to detect and process the quality of the transmission signal. The optical power detection of the current communication signal, especially the optical si...[Details]
Reference voltage input A simplified schematic of a successive approximation ADC is shown in Figure 1. During the sampling interval, a capacitive DAC is connected to the ADC input and a charge propor...[Details]
In recent years, with the increasing tension of global energy issues and the global ban on the sale and production of incandescent lamps, energy-saving and environmentally friendly LED lighting has s...[Details]
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