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In 1883, university professor Warren Seymour Johnson (1847-1911) obtained his first patent for an "electric remote-controlled thermometer," which could automatically adjust the temperature of a room....[Details]
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ITO glass technology SiO2 barrier film specifications
SiO2 Barrier Film Specifications
1Soda-lime (Na-Ca) glass used in liquid crystal displays usually needs to be coated wit...[Details]
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1 Repeated short circuit test Test Description When the module output is short-circuited under various input and output states, the module should be able to achieve protection or retraction. ...[Details]
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The author of this article, Li Xingyu, is the vice president of market development and strategic planning at Horizon Robotics, an expert in the autonomous driving industry, former senior marketing ma...[Details]
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Servo electronic transformer is an ultra-small three-phase servo electronic transformer designed for the mismatch between the power grid and the AC servo motor voltage. It changes the problems of t...[Details]
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Design of high-order COSTAS phase-locked loop based on DSP
The COSTAS loop is a closed-loop adaptive system for extracting coherent carriers. This paper mainly introduces a high-order COST...[Details]
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In the previous issues, we introduced the testing of WLAN terminals. In this issue, we will talk about the conduction test items of WLAN AP.
The test environment is shown in the figure below. The...[Details]
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Black Light Generator Circuit
This circuit is a simple ultraviolate light that can be powered by a 6 volt battery or power supply that is capable of supplying 1 or more amps.
Theoritical Diagra...[Details]
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Google released Android 12L, a special version of Android 12 optimized for large-screen devices. Android 12L represents a big step forward for foldable devices, tablets, and large-screen Androi...[Details]
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Overview XN1048 is a highly integrated, high-performance current mode PWM controller chip. It is suitable for small and medium power switching power supply devices such as power adapters. In ord...[Details]
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According to Nikkei News, SEMI Japan has sorted out 22 new wafer fab projects in mainland China for which purchase orders have been issued, based on its research on semiconductor equipment companies....[Details]
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According to reports, more than 110,000 people die in car accidents in China every year. Most of the accidents are caused by human factors, and fatigue and distraction are the main reasons. With th...[Details]
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Puyuan Oscilloscope MSO8000 series is a mid-to-high-end mixed signal digital oscilloscope based on RIGOL's proprietary ASIC chip and UltraVisionII technology platform. The analog channel bandwidth of...[Details]
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COSEL has newly developed a medical power supply with a power of 1500W, expanding the sturdy and reliable PJMA series • Medical isolation level is 2MOPP • Input/output isolation is 4KV • Suitabl...[Details]
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This standard is formulated to implement the "Industrial Enterprise Design Hygiene Standard" and "Occupational Exposure Limits for Hazardous Factors in the Workplace". This standard is a monitoring ...[Details]
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