The adjustable power supply composed of LM317 has the following two problems:
1. What is the function of the circuit composed of VQ1 and R3 in the figure?
2. What is the function of VD2 in the picture...
1. DIP switch
This is a cross section of a plain old DIP switch. There are four groups of switches in this component. This is one of the switches.
This is the annotated version. It looks very simple. ...
After a circuit board is soldered, when checking whether the circuit board can work normally, it is usually not powered on directly. Instead, follow the steps below to ensure that there are no problem...
Application scenario: The switch uses MOS 47N60 or IPW60R045CP, and it is best if both can be driven. The driver supply voltage is 12-15V. [/backcolor][/color] [color=rgb(85, 85, 85)][backcolor=rgb(25...
1. Talk about the difference between ARM7 and ARM9: What are the differences between ARM7 and ARM9? I am preparing to learn ARM, but I don't know whether to choose ARM7 or ARM9? Maybe these questions ...
As the basic unit in analog circuits, the characteristics of op amps directly determine the key performance of upper-level circuits, especially PMU-type circuits. The test of the entire loop gain has...[Details]
China Energy Storage Network News:
Create an energy smart management platform and energy storage system, build a multi-energy complementary full-power plant, realize the full absorption of cl...[Details]
May 20, 2022, Shenzhen, China - The new generation of OPPO Reno8 series is about to be released, and the series models are "double": Dimensity 8100-MAX and the world's first Snapdragon new platform ,...[Details]
introduction
The impurities in the desulfurization wastewater of thermal power plants come from flue gas and limestone used for desulfurization, mainly including suspended solids, supersaturat...[Details]
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robot p...[Details]
introduction
The electronic detection ruler of the turnout is an important guarantee for the safety of train operation. Its main purpose is to measure the track gauge and levelness of the ...[Details]
Traditionally, gallium nitride ( GaN ) LED components are usually based on sapphire or silicon carbide (SiC) substrates, which are lattice-matched to GaN, and are commonly available in 2" or 4" sizes...[Details]
The simulation schematic is as follows The microcontroller source program is as follows: #include "reg52.h" #define uchar unsigned char #define uint unsigned int float COUNT100,PWMCOUNT; /*LC...[Details]
From May 24 to 26, the three-day CIBF2016 International Advanced Battery Frontier Technology Seminar and the 6th China International Energy Storage Conference opened grandly at the Shen...[Details]
Jiwei.com reported that MediaTek entered its peak season in the third quarter, and it was reported that its 4G mobile phone chips had entered Samsung's supply chain. Industry insiders are optimistic ...[Details]
On December 10, Redmi India announced that it will release the new Redmi 9 Power on December 17. It was previously reported that Redmi 9 Power actually corresponds to the domestic version of...[Details]
The HOA super-body intelligent architecture will help HiPhi 1 become a truly smart car that is open for co-creation, connects everything, and continuously evolves. In the PC era, Microsoft's operati...[Details]
With the development of modern science and technology, the power system is gradually developing towards comprehensive automation and unmanned power stations. The DC power supply monitoring system, ...[Details]
With sensors ranging in cost from $15 to $1, automakers wonder how many sensors are needed for a vehicle to be fully autonomous. These sensors are used to collect data about the surrounding environ...[Details]
Analog electronics
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