Speaker frequency range and frequency response

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Frequency range refers to the range between the lowest effective playback frequency and the highest effective playback frequency that the sound system can play back; frequency response refers to the sound pressure generated by the speaker with frequency when an audio signal ou ...

The second innovation inventory of medical electronic e…

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Electronic enthusiasts core tips : Many of the ideas in medical electronic devices are not new inventions. A slight improvement of the original medical electronic devices may produce new uses; and many of the so-called "low technology" are only used in Suitable place ...

The heart of CD player-big analysis of decoding chip

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When you go to the flea market to buy a CD, the js will talk to you about the CD using the xx decoder chip, so the value is xx yuan. In fact, a CD machine still has many aspects to consider, such as turntable, op amp, interface, etc. The vendors are not very knowledgeable, but ...

Huawei plans to build a smart machine factory in India

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According to foreign media reports, Huawei Technologies, a Chinese telecommunications equipment manufacturer, is currently implementing its plan to produce smartphones at its Chennai plant that manufactures network equipment to meet Indian market demand. The move will support ...

LED power supply industry: mature in the exploration

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With the rapid development of the LED lighting industry, the LED power supply market is also rapidly expanding. On the one hand, traditional power supply manufacturers have launched LED power products, on the other hand, many entrepreneurial enterprises have also been establis ...

Ceramic substrate package introduction

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Japan's Sharp industry's first LED module using ceramic substrate packaging technology, its characteristics are: 1: Compared with the traditional aluminum substrate, the reflectivity of the ceramic substrate is higher, which helps to improve the light efficiency. 2: ...

Introduction to several types of automotive active coll…

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At present, there are three types of automobile active collision avoidance systems researched and developed: (1) Vehicle active collision avoidance warning CWS (collisionwarning) system, this system gives an alarm to the detected hazards. The United States has already impleme ...