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In electronic circuit design, in order to avoid detours and save time, the requirements of anti-interference should be fully considered and met. For example, cutting off the propagation path of inte...[Details]
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Selected inverter capacity according to motor rating
1. Selection of rated voltage of motor
The rated voltage of the motor should be consistent with the voltage level of the on-site power...[Details]
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When UPS is used in combination with generators, only a small amount of backup batteries need to be configured for UPS for use during switching. The conversion between generator and mains can be do...[Details]
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Before the advent of projectors, we mainly used slide projectors. In fact, today's projectors are also special forms of slide projectors. Some scholars have shown that the development of projectors...[Details]
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Compared with traditional household refrigerators, car refrigerators are more demanding in terms of use environment, electrical environment, functional requirements, volume and weight. First, due t...[Details]
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In the ARM assembly language program, there are some special instruction mnemonics. These mnemonics are different from the mnemonics of the instruction system and have no corresponding opcodes. These ...[Details]
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1 Introduction
ZigBee technology is a short-range, low-complexity, low-power, low-data-rate, low-cost two-way wireless communication technology. It is mainly applicable to the fields of automa...[Details]
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There are many battery shapes that, unfortunately, allow users to incorrectly insert the battery. The simple circuit in Figure 1 gives a single-cell Li-ion battery charger added protection from da...[Details]
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By Joe Folkens, Texas Instruments At some point in the future, people will be able to use artificial intelligence relatively freely and drive safely. I cannot foresee when this moment will come; but...[Details]
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As the brain of a mobile phone, the mobile phone processing chip is of great importance. Xiaomi, which started out as the MIUI company, has long been keenly aware of the gap between China and devel...[Details]
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Broadband Matching Design of RF Power Amplifier
在很多远程通信、雷达或测试系统中，要求发射机功放工作在非常宽的频率范围。例如，工作于多个倍频程甚至于几十个倍频程。这就需要对射频功放进行宽带匹配设计，宽带功放具有一些显著的优点，它不需要调谐谐振电路，可实现快速频率捷变或发射宽的多模信号频谱。宽带匹配是宽带阻抗匹配的简称，是宽带射频功放以及最大功率...[Details]
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TF International analyst Ming-Chi Kuo recently released a forecast that Mini LED displays will be an innovative technology in the next two years. He also expects that iPads and MacBooks equipped with...[Details]
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Switching power supplies have been widely used in various electronic devices, and their unit power density is constantly increasing. The definition of high power density has increased from 25w/in3 in ...[Details]
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0 Introduction
Temperature detection has become an essential part in measurement and instrumentation. Traditional analog temperature sensors are either complicated in peripheral circuits o...[Details]
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1. Set obj and src
ifneq ($(OBJTREE),$(SRCTREE))
ifeq ($(CURDIR),$(SRCTREE))
you :=
else
dir := $(subst $(SRCTREE)/,,$(CURDIR))
endif
obj := $(if $(di...[Details]
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