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With the country's vigorous promotion of LED lighting, LED lighting products have grown rapidly and become popular. Since LED products are new products in the lighting industry, ordinary people a...[Details]
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On December 9, Redmi's official Weibo account announced that the Redmi Note 9 series had sold over 1 million units across all channels in just 13 days since its launch. In fact, the Redmi Note 9 seri...[Details]
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During the debugging process, engineers often find that the same signal tested with different equipment often has different results. Which result is accurate? We must scientifically select equipmen...[Details]
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Abstract: This paper introduces a Buck DC/DC converter that can be used for satellite-borne switching power supply. In order to meet the needs of satellite-borne switching power supply, compared ...[Details]
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Thyristor voltage regulator is widely used in fan speed regulation, lamp dimming and other occasions. Since the switching device of thyristor has less loss, it can save a lot of electricity compare...[Details]
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With the development of semiconductor technology, Moore's Law is on the verge of failure. The difficulty of each link in the industrial chain, such
as
IC design
, wafer manufacturing, packaging ...[Details]
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The system clock sources of STM32 can be divided into three: HSI (high-speed internal clock), HSE (high-speed external clock), and PLL
(Clock signal after PLL multiplication).
...[Details]
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During this period, I upgraded the USB firmware using the official ST firmware. At first, I followed ST's method to enter the DFU mode by detecting the button. Later, because others thought th...[Details]
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Project Overview 1.1 Project Background An oscilloscope is an electronic measuring instrument that can display the dynamic waveform of a voltage signal. It can convert a time-varying voltage signal i...[Details]
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The principle and working process of the electric power steering system (EPS) are analyzed in detail. The PIC18F458
microcontroller
is used
as
the controller
, and the power motor
i...[Details]
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My
DAC
Complex
Since I was fascinated by vinyl and original editions, I have disdained CD products. Could it be that the advanced digital equipment brought by the progress of...[Details]
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The limited on-chip memory capacity of DSP often makes designers feel stretched, especially in applications such as digital image processing and voice processing, which require strong support from h...[Details]
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“含有苯环的封装材料最终都会发生老化”。在日前召开的“2006年LED技术研讨会”上，三垦电气技术本部LED业务部长大塚康二表示，作为高功率LED封装材料，树脂类材料可能无法避免老化问题。不过，这只是需要高功率和超长寿命时的情况，假如是寿命约2万小时的产品，通过在不会形成界面的树脂材料上下功夫，完全可以使用树脂封装。
大塚表示，要想使LED成为照明等通用光源，“需要一些技术上的突破”。其中...[Details]
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The MC9S08LL series is Freescale's latest microcontroller with built-in LCD driver and extremely low
power consumption. It is very suitable for design and application in water meter and gas met...[Details]
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RT9248 application circuit:
The RT9248 is a multi-phase buck DC/DC controller integrated with all control functions for GHz CPU VRM. The RT9248 controls 2 or 3 buck switching stages operatin...[Details]
Test/Measurement
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