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The output resistance of a basic amplifier circuit is a dynamic parameter, and the commonly used calculation method is the "pressure-to-current method". Among the several dynamic parameters of an a...[Details]
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In embedded development, especially in ARM program development, exception handling plays a vital role. So how does the cortexM4 core manage exceptions? We will explain exceptions in several small art...[Details]
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0 Introduction
"For DC power supplies, in order to improve their performance or to make them small and lightweight, they often encounter the problem of high-current and high-frequency rectific...[Details]
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The reasons for the scrapping of lead-acid batteries can be roughly divided into three types: one is due to frequent overcharging or over-discharging in the absence of water. For example, in taxis ...[Details]
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At present, intelligent manufacturing has become an important strategic direction for China to promote economic transformation and upgrading and realize the dream of becoming a manufacturing powe...[Details]
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Introduction Frequency is one of the most important characteristics of a signal, but engineers often wonder: Why do the frequency measurement results of a hardware frequency meter and an oscilloscope...[Details]
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As the intermediate connector between the oscilloscope and the object under test (DUT), the oscilloscope probe plays an important role in oscilloscope testing. A good probe and measurement method...[Details]
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On the afternoon of April 24, 2024,
Nidec (Suzhou) Co., Ltd. and CATARC New Energy Vehicle Inspection Center (Tianjin) Co., Ltd. successfully held the unveiling ceremony of the "Electric Drive ...[Details]
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Let's talk about the PCB LAYOUT points first:
As we all know, EMC has certain requirements for ground routing. The primary ground wire of PSR can be divided into 4 ground wires, as shown in t...[Details]
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On Total’s website, the company announced its battery joint venture with PSA, Automotive Cell Company (ACC), during French President Emmanuel Macron’s visit to Saft’s Nersac plant. This further demon...[Details]
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Recently, OPPO Guangdong Mobile Communications Co., Ltd. added a number of patent information, one of which is related to full-screen technology, named "A module, terminal device and fingerprint reco...[Details]
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Many product manufacturers directly purchase Bluetooth chips or modules that have obtained Bluetooth certification and then develop Bluetooth products. However, many reasons may cause the RF performa...[Details]
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During debugging, we often find that the received data is delayed. Here are some solutions:
(1) Add an appropriate amount of delay to the loop. Let's take a look at a simple example.
You will f...[Details]
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The most far-reaching technological change in terms of touch screen performance is the shift from resistive to capacitive touch screen technology. According to market research firm iSuppli, by 2011, ...[Details]
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What is a Trigger and what is its role in an oscilloscope? Let’s first see what others say. The trigger event establishes the time-reference point in the waveform record. All waveform record data...[Details]
Analogue and Mixed Signal
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