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1. Introduction
Phase-locked loop is the main implementation method of frequency multiplication circuit, which directly determines the success or failure of frequency multiplication. Traditional ph...[Details]
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Network analyzers can be used to characterize radio frequency (RF) devices. Although originally measuring S parameters, network analyzers are now highly integrated and advanced in order to outperform...[Details]
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Since graphene began to enter people's horizons, its uses have developed in all aspects, not only in some fields such as mobile devices and aerospace, but also in the field of new energy batteries....[Details]
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Abstract: Acoustic emission refers to the phenomenon that a material emits transient elastic waves due to the rapid release of energy locally. Acoustic emission detection technology is an emerging dy...[Details]
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LCD programming design based on ARM processor: With the rapid development of single-chip microcomputer technology, new instruments and meters are showing a trend of simple operation and portabili...[Details]
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The power supply circuit is usually modified near the end of the development phase, but for portable products, the battery is a top priority. Stabilizing the voltage of a battery-powered supply is mo...[Details]
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Recently, Fuhong Chuangxin issued a notice of product price increase, stating that due to well-known reasons, the global semiconductor industry has an imbalance in supply and demand, the production c...[Details]
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1. Introduction to IGBT tube
IGBT is the abbreviation of Insulated Gate Bipolar Transistor. It is a new type of composite power electronic device that was born in the early 1980s and developed...[Details]
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In the application of oscilloscopes, except for some RF or high-speed digital applications where cables are used for direct measurement, many debugging tasks on boards are completed with the help of ...[Details]
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Background: Autonomous positioning and navigation
As shown in the figure, the robot's autonomous positioning and navigation technology includes two parts: localization and mapping (S...[Details]
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1. Development environment:
1. Development environment: keil uvision4 MDK4.12 (windows XP)
MDK is RealView MDK (Microcontroller Development kit), which is the latest software d...[Details]
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Not long ago, Intel renamed its 500-acre R&D center in Hillsboro, Oregon as Gordon Moore Park and named the RA4 building the Moore Center to commemorate his great initiative. Moore is a co-founder ...[Details]
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RF conformance testing is a very important test for mobile terminals before commercial use in the industry, and is also a test that operators, mobile phone manufacturers, etc. pay close attention ...[Details]
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1>> ARM data types
ARM processors support 6 data types; 8-bit signed and unsigned bytes. (char, unsigned char)
16-bit signed and unsigned halfwords, which are aligned on 2-byte boundaries. (short ...[Details]
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0 Introduction
With the rapid development of modern automobile industry, energy saving, environmental protection, low emission, high efficiency and comfort are undoubtedly the primary indi...[Details]
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