I need help. For class D amplifiers like tpa3245, the power supply is +24v and there is no negative power. What is the input signal range? The manual says it is positive and negative. How can negative...
Line Regulation 1. Definition: Also known as source effect or grid regulation, it refers to the fluctuation of output voltage with linear change of input voltage, under the condition of full load. (W...
The word "5G" is often encountered these days, such as "Huawei's 5G technology is leading, and others will catch up in 2 to 3 years", "Trump urges the United States to step up 5G/6G", and yesterday's ...
Recently, a 5A USB port was loose, so I fixed it based on the idea that electronic engineers should do more hands-on work (poor, no money, can't bear to throw it away). The effect is quite satisfactor...
On January 31, the procurement and trading platform of Kehuan Group released the EPC bidding announcement for the energy storage power station of the multi-form advanced composite energy storage in...[Details]
In 1994, if someone talked to you about EDA, you would definitely be full of questions; but if you talk about EDA today, maybe the old man playing chess on the street would also "chat" to you for a f...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
The network IO controller of Zhijian IoT ZQWL can be controlled in the local area network through the mobile phone APP. This document takes the 4-way network IO controller of Zhijian IoT (ZQWL-IO-1...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
A few days ago, Yanyan went to Yibin to check in. Before the Power Battery Conference, she visited Yibin's New Energy Vehicle Industrial Park, as well as Sichuan Times in Sanjiang New District and ot...[Details]
不可否认，如果将
led
技术与节能灯或荧光灯相比的话，节省的能量成本并不显著。但换个角度看，如果考虑到维护成本，例如更换仓库高高的天花板、繁忙的工厂大厅、购物中心或者难以接近的信号系统等所使用的照明灯所产生的人工成本，很明显要大大高于能量成本。如果确保正常冷却或者结温的温度控制在80°C以下，
LED灯
的寿命可以轻松达到100,000小时。这相当于连续工作12年以...[Details]
I. Introduction
LabVIEW (Laboratory Virtual Instrument Engineering Workbench) is a graphical language-based development environment launched by National Instruments . It is very convenient for...[Details]
According to foreign media reports, autonomous driving startup Aurora announced a merger with a special purpose acquisition company (SPAC) Reinvent Technology Partners Y. After the transaction is com...[Details]
Many electronic designers know the role of filter capacitors in power supplies, but the filter capacitors used at the output end of switching power supplies are not the same as those used in ind...[Details]
In the new wave of industrial revolution, it is an inevitable trend for LED lamps to replace existing gaseous lighting products as solid-state lighting products, and the replacement process is in...[Details]
The so-called confidential communication is to prevent the secret of communication from being stolen. In the process of communication, confidential information and its transmission method are conceale...[Details]
In various types of remote sensing and telemetry systems, the dynamic range of analog signals is usually very large, generally ranging from a few mV to dozens of V (the dynamic range can reach 80_90db...[Details]
LED is called the fourth generation lighting source or green light source. It has the characteristics of energy saving, environmental protection, long life and small size. It can be widely used in...[Details]
In the era of 5G and the Internet of Things, educational informatization has been repeatedly raised to a major strategic level. Especially after entering the era of educational informatization 2.0, s...[Details]
Analog electronics
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