I don't quite understand B in this figure, why the subsequent output is 1/2 of the IP.
How to prove that the current ratio of this graph is as marked in the figure.Thank you very much~~~...
Hello everyone, I use the 88E1111 PHY chip and connect it to the RJ45 interface. The PHY hardware configuration is all connected on the PCB. However, after powering on, I plug in the network cable to ...
[img]http://images22.51.com/6000/tf_digital/87d285dd879de62385f561622f9df420.jpg[/img] The circuit is drawn by myself, and my personal analysis is as follows. I hope you can correct me if there are an...
The TI bq76940EVM is a companion board for evaluating the bq76940 analog front end (AFE) and bq78350 battery management controller as part of a complete battery pack monitoring and protection solution...
How to use CJ2672 withstand voltage tester? Can anyone who has used it introduce it to me? What are the buttons on the instrument used for? How to use them? It would be better if there is a video some...
Hello everyone, the following are the circuit diagrams of 51 single-chip microcomputer connected to common anode and common cathode digital tubes, which can run smoothly. I am a novice, and I want to ...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]