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High brightness LEDs (HBLEDs) have much higher performance than traditional LEDs, but they also have higher costs. These two factors determine the way HBLEDs are tested during the R&D and productio...[Details]
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According to C114 Communications Network, a report provided by market research firm Semico Research pointed out that by 2025, the number of chips using RISC-V architecture is expected to increase to ...[Details]
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As a precision photoelectric position sensor, PSD has the characteristics of high sensitivity, short response time, high position resolution, and large spectral response range. Therefore, it is wide...[Details]
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Industrial robots are multi-joint manipulators or multi-degree-of-freedom machine devices widely used in the industrial field. They have a certain degree of automation and can achieve various indus...[Details]
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Pico-projector refers to micro projectors, handheld projectors and mini projectors. Currently, projection technology is changing with each passing day. With the increasing maturity of LCOS RGB thre...[Details]
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Some time ago, Motorola launched the Edge 30 series of mobile phones in the domestic market, but it was neglected in overseas markets. However, the news that Motorola edge 30 Pro will be releas...[Details]
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摘要:最近,对带有同步整流电路的有源箝位ZVS-PWM控制串联谐振变换器的研究和应用不断取得进展。不过,当输入电压偏离特定值时,其效率会严重下降。通过对其各种工作模态转换的分析,阐明了效率下降的原因。为解决这种效率下降,使用了带有分立电感和耦合电感的倍流型同步整流电路模型,并分析了其稳态特性。通过实验,比较了中心抽头型和耦合电感型效率变化曲线。最后,通过分析和比较,得出结论。提出了一个整流电路,在...[Details]
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LEDs have become the standard solution for movie lighting and camera flash in mobile phones. The demand for higher picture quality and higher resolution requires brighter flash LED solutions. The ...[Details]
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According to MoneyDJ, LED packaging giant Everlight has been affected by competition from the red supply chain and falling LED prices since 2019, and its revenue has continued to decline. It is estim...[Details]
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On the evening of May 30, Sinoma Science & Technology announced that its holding subsidiary Sinoma Lithium Membrane plans to invest 1.547 billion yuan to implement the construction of a "408 million ...[Details]
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In short, the motor controller is composed of peripheral devices and the main chip (or single-chip microcomputer). Peripheral devices are some functional devices, such as exec...[Details]
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According to the Securities Times, on March 31, China's first mobile phone Beidou testing and certification conference, jointly hosted by the China Academy of Information and Communications Technolog...[Details]
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The dual-trace oscilloscope consists of an electron gun, a Y deflection plate, an X deflection plate, and a fluorescent screen. The two voltage signals YCH1 and YCH2 to be measured are periodically a...[Details]
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When I adjust the oscilloscope to the same order of magnitude as the PWM cycle, I can measure the standard PWM waveform. Then when I increase the oscilloscope cycle, I find that a magical waveform ap...[Details]
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The development of lithium-ion batteries began in the consumer field and is currently developing rapidly in the power and energy storage fields. What are the key technologies for power lithium bat...[Details]