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In recent years, as Apple AirPods have received positive market reviews and shipments have grown significantly, other mobile phone brands and traditional headphone manufacturers have rushed into the ...[Details]
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As an important measure to lower electricity prices and a key target of third-party supervision, the National Development and Reform Commission issued three consecutive documents in 2018 requiring ...[Details]
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According to foreign media reports, a research team at the University of Manchester in the UK has developed a graphene-doped cathode to achieve highly stable lithium-sulfur batteries. The researchers...[Details]
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Keysight 400GE network security test platform helps Fortinet verify its defense capabilities against ultra-large-scale DDoS attacks The scalable test platform can generate terabytes of ultra-larg...[Details]
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With the development of the photovoltaic industry, the working efficiency of photovoltaic panels has become better. The latest photovoltaic water pump solution CT112 has been quietly launched and s...[Details]
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Circuit design includes two specific work areas: schematic diagram and circuit board diagram. These two areas are highly unified and have obvious differences. It can be done by one professional engin...[Details]
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Why is it necessary to use a receiver instead of a spectrum analyzer in EMI certification? What is the difference between them?
Most spectrum analyzers use a superheterodyne structure, which is t...[Details]
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South Korea-based LG, which officially shut down its mobile phone business a few months ago, has revealed that it will start selling Apple iPhones and other Apple products in its own stores in South ...[Details]
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Following the previous beta version, Apple has now officially launched the public beta version of iOS 13.3.1. In addition to fixing system bugs, the iOS 13.3.1 public beta also improves syst...[Details]
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The rules for constructing immediate numbers in ARM assembly are: it must be an 8-bit binary number, with 24 bits of binary 0 added in front to expand it to 32 bits; then the 32-bit extended number is...[Details]
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question: How can I add isolation to an ADC without compromising its performance? Answer: For isolated high-performance ADCs, attention should be paid to isolating the clock on the one han...[Details]
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Abstract: This article introduces the process of RF circuit PCB design using Protel99 SE. In order to ensure circuit performance, electromagnetic compatibility should be considered when designin...[Details]
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3 Study on the influence of laminated copper distribution
In system-level thermal simulation, PCBs of various boards are often replaced by a single thin plate model and given a single thermal prope...[Details]
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◎ Zuo Pengfei Chen Jing Recently, a Qatari technology company developed a machine called Swapery that can charge mobile phones in 7 seconds. It is equipped with a lightweight battery pack. Users can a...[Details]
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The VALVETRONIC servo motor is a brushless DC motor (BLDC motor), and the components are shown in Figure 15-7. The BLDC motor transfers energy in a non-contact manner, is maintenance-free and has h...[Details]