The fixed attenuator is made of color ring resistors, the attenuator is 40dB, the characteristic impedance is 50 ohms, and the π-type attenuator structure is used. After 1M, the output becomes very la...
[i=s]This post was last edited by zhaoyongke on 2015-1-11 17:20[/i] I was fortunate enough to be selected for the in-depth experience phase of the Altera SoC Experience Tour and was awarded an Embest ...
[i=s]This post was last edited by jishuaihu on 2015-5-25 10:39[/i] I plan to use the following circuit to manage the power supply of handheld devices. Please analyze whether there are any problems.Let...
I have tried EVC4.0 compiler or vs2005. error C2660: 'CWnd::AnimateWindow' : function does not take 3 arguments #undef WINVER #define WINVER 0X5000 I added this to the top of stdafx.h but it still doe...
Background: I use DS18B20 as a temperature acquisition signal to collect the temperature signal of the power unit on the SPWM modulated IGBT driver board. In the static test, DS18B20 can correctly sam...
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[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]
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]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
In recent years, the application of single-chip microcomputer systems in the field of industrial measurement and control has become more and more extensive. However, for industrial sites with harsh...[Details]
0 Introduction
The tobacco leaf curing process is a key step in producing high-quality tobacco leaves, and the quality of flue-cured tobacco is closely related to the temperature and humidit...[Details]
1 Introduction
In the process of crude oil pipeline transportation in the oil industry, crude oil needs to be handed over between enterprises, so flow meters are widely used. The measurement ac...[Details]
Analog electronics
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