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As an indispensable production factor for the development of the digital economy, power big data can accurately reflect the operation of the national economy and has broad application prospects and...[Details]
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The advantages of integrated PFC rectifier-regulator (BIFRED and BIBRED converter) are: simple circuit, low cost; isolation and insulation; harmonic current meets IEC1000-3-2; output voltage can be ad...[Details]
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With the rapid development of servo motor technology, CNC machine tools, industrial robots, and automated production equipment have begun to widely use servo motors as key components for motion contro...[Details]
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September 3, 2019 marks the first anniversary of the restart of UHV.
A year ago, on September 7, 2018, Nengjian was the first in the market to disclose that the National Energy Administration ...[Details]
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For smart home, if it can only be controlled manually, it will not feel very smart. If it can be controlled by speaking or automatically, the experience may be better.
Smart home is actu...[Details]
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1. Chip heating
This is mainly for
high-voltage
driver
chips with built-in
power
modulators
. If the chip consumes 2mA of current and 300V of voltage is applied to the c...[Details]
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Frequency domain measurements of RF power are the most basic tests for both traditional spectrum analyzers and modern vector signal analyzers. Proper test methods are very important to avoid signific...[Details]
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1. Introduction to 2440 clock
1.1 2440 is a SOC (system on chip) system, which not only has many CPUs, but also many peripherals. The system framework diagram in the 2440 chip manual is as fol...[Details]
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0 Introduction
Generally speaking, after the lesion is detected by CT or ultrasound, sampling and pathological analysis are still needed to draw a conclusion. The biopsy gun is an important tool for...[Details]
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Toshio Fukuda, a Japanese professor at Beijing Institute of Technology who will serve as president of the IEEE (Institute of Electrical and Electronics Engineers) in January 2020, expressed shock in ...[Details]
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a. External sub-interrupt The mask bits of external sub-interrupts mainly have two registers (i.e. mask registers), EINTMASK and INTMSK, so to generate an interrupt, you must enable the corresponding...[Details]
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This year, Jiwei.com disassembled 6 flagship phones from different brands. iQOO 3, Xiaomi 10, Red Magic 5G, Huawei P40, Lenovo Legion Gaming Phone Pro, Samsung Note 20, Red Magic 5G and Lenovo Legion...[Details]
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The popularity of electric vehicles has made the multi-gear electric drive system an inevitable trend. The electric drive system shift bench test can not only promote the development of electric dr...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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Recent advances in the automotive infotainment market require high-efficiency and low-footprint power delivery (PD) solutions. The trend toward reducing bill of materials has driven USB power appli...[Details]
Microcontroller MCU
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