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The electrical schematic diagram of this tester is shown below. It mainly tests the following five types of components: 1. Current source components; 2. Precision reference voltage source; 3. Adjusta...[Details]
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On February 3, 2021, according to South Korea's Dong-A Ilbo, Apple will invest 4 trillion won (about US$3.6 billion) in Kia as part of its cooperation with Kia Motors to produce electric vehicles. ...[Details]
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How difficult was it to build a portable four-transistor pocket radio receiver in 1961?
60 years ago, the May 1961 issue of Radio Electronics magazine showed how to assemble this four-transist...[Details]
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1. Prepare the standard library function file. The official standard library function is stsw-stm8069. After decompression, it is as shown below: 2. Create a new folder. In this example, name it st...[Details]
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1. The concept of interruption When the CPU is processing an event A, another event B occurs and requires the CPU to process it quickly (interrupt occurs); the CPU temporarily interrupts its current ...[Details]
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1 Overview At present, China has entered an aging society. According to national regulations, people over 65 years old are defined as elderly. In 2011, the proportion of the elderly population in ...[Details]
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On July 29, Contemporary Amperex Technology Co., Ltd. successfully held its first online press conference. Chairman Dr. Zeng Yuqun released CATL's first-generation sodium-ion battery. At the sa...[Details]
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Step 1: TIM1 Overview STM8S provides three types of TIM timers: advanced control type (TIM1), general type (TIM2/TIM3/TIM5) and basic timer (TIM4/TIM6). Although they have different functions, they a...[Details]
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The figure shows the basic structure of IR power MOSFET. Each hexagon in the figure is a MOSFET cell. Because the cell is hexagonal, IR often calls it HEXFET. Power MOSFET is usually composed of ma...[Details]
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With the advent of the 5G era, most parts of the world are now starting to trial 5G commercial use. Major technology companies are also working on building equipment equipped with 5G networks. 5G mob...[Details]
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Regarding 5G technology, which is currently the industry's most concerned issue, Huawei founder Ren Zhengfei has said more than once that 5G patents and technologies can be sold. First, on April 15...[Details]
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F1 Help, gives help information based on the current content.
F2 Interactive routing with dynamic routing disabled.
F3 Interactive routing with dynamic routing enabled.
F5 Zooms in, z...[Details]
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Natural gas metering system and current status At present, orifice flowmeters are the main natural gas metering system in China. As we all know, orifice flowmeters are composed of throttling devices,...[Details]
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(Reporter Liu Yang) On July 15, the State Grid Corporation of China held its 2019 mid-year work conference in Beijing. Kou Wei, chairman of the company, attended the meeting and delivered a work re...[Details]
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The sub-forum on new energy storage driving future energy transformation of the 7th Hongqiao International Economic Forum was held at the National Exhibition and Convention Center (Shanghai) on Novemb...[Details]
Analog electronics
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