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When using a power meter or power analyzer for testing, we are generally required to select an appropriate range so that the measurement is more accurate. Generally, the measured value is required to...[Details]
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/********************** The query method is that the main program constantly queries whether it is interrupted, without the need to prepare a subroutine ***********************/ #include reg51.h ...[Details]
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summary:
In view of the current problems of low efficiency, high cost and poor quality consistency of manual polishing, an automated polishing integrated workstation with high flexibil...[Details]
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According to netizens' contributions, some Xiaomi 9 devices are pushing the MIUI 10.9.7.11 development version, the Android Q internal beta package, and the Android security patch is July 5. ...[Details]
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The first twenty years of the 21st century are about to pass. Looking back, we have all experienced the benefits brought by the rapid development of science and technology. Many things that we dared ...[Details]
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1. Wiring method and port definition RDY/BSY busy flag. (0: device is busy 1: waiting for new command) OE output enable bit low level effective WR write pulse low level is e...[Details]
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It often occurs in the power grid
and interferes with or damages computers and precision instruments, mainly in the following aspects:
1. Power surges: refers to the output vo...[Details]
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1 Introduction
A switching power supply uses power semiconductor devices as switching elements, and adjusts the output voltage by periodically switching on and off the switch and controllin...[Details]
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1. Introduction
Filter capacitors play an important role in rectifier and filter circuits. The larger the capacitance, the better the filtering effect. Especially when low-voltage rectific...[Details]
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Today, at the first China International Smart Terminal Industry Development Conference held in Yibin City, Sichuan Province, Qualcomm China Chairman Meng Pu said that in the evolution of 5G, Chinese ...[Details]
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On March 1, Baidu released its unaudited financial report for Q4 and the full year ending December 31, 2021. In the fourth quarter, Baidu achieved revenue of 33.1 billion yuan, and its total revenue ...[Details]
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From a power budget perspective, RF power amplifiers (RF PAs) powered directly from batteries are important components to consider. Traditionally, RF PAs used in CDMA/WCDMA cellular standards are p...[Details]
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Preparation and prerequisites a. IAR or STVD has been installed b. Download the standard firmware library (StdPeriph_Lib_V2.1.0) for backup; c. A program template has been established. If not, ple...[Details]
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vivo has previously announced the new vivo X60 series, which features the second-generation micro-gimbal and Zeiss optical lenses. It will also be the world's first Samsung 5nm process Exynos 1...[Details]
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The electric vehicle sector is divided into two categories: HEV (hybrid electric vehicles) and new energy vehicles (BEV, PHV, FCV). Although it currently accounts for a small portion of the total veh...[Details]
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