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(Note: Excerpted from the new book "Signal Integrity Measurement Technology". The impedance here refers to the impedance of devices such as inductors, capacitors, and resistors, not the characteristi...[Details]
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A design of a low-voltage and high-current switching power supply with PWM control chip UC3825 as the core is introduced . The topological structure of the main circuit and the circuit design of ...[Details]
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1.net related API 2. Use of main APIs (1) net.createServer() (2) net.server:close() (3) net.server:listen() (4) net.socket:on() (5) net.socket:send() 3. Test code Realize d...[Details]
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Chinese flexible screen manufacturer Royole Technology is considering an IPO in the United States with a maximum financing of US$1 billion. For a time, news about Royole's upcoming IPO was widely cir...[Details]
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While everyone is applauding Tesla's "super factory" plan, 24M, a low-key and mysterious startup company in Massachusetts, USA, is also "not willing to be left out" and recently launched a...[Details]
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1 Introduction
With the development of modern technology, inverter
power supplies
are widely used in all walks of life, which puts forward higher requirements for their perf...[Details]
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Foreign media published an article today, reviewing how Apple's iPhone has subverted various industries and changed the world in the past 10 years. Looking ahead, the biggest challenge facing Apple m...[Details]
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In many situations with high current output, in order to improve the reliability of the system, a commonly used method is to use hot backup - multiple power modules are used in parallel. Each power m...[Details]
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Six essentials for the maintenance and repair of experimental instruments:
1. Instrument and equipment management personnel must be familiar with the performance and operating procedures of the in...[Details]
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1 Introduction
With the continuous development of integrated circuit technology and the improvement of integration, embedded systems have transitioned from board level to chip level, formi...[Details]
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1. Pay attention to short circuit
Polymer lithium-ion batteries are prone to short circuits during charging, including internal short circuits, external short circuits, etc.
Although most...[Details]
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In recent years, due to the combined impact of multiple factors such as anti-globalization, the rise of trade protectionism, and the COVID-19 pandemic, the safe and stable operation of the global i...[Details]
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Abstract: In order to meet the requirements of different measurements, traditional voltmeters are made into independent instruments, including peak voltmeter, average voltmeter and effective value ...[Details]
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When making high-frequency circuits, you will often encounter the problem of frequency measurement. In fact, a frequency counter is an electronic device that is relatively easy to make yourself. Th...[Details]
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0 Introduction
Some traditional distance measurement methods have insurmountable defects in some special occasions. For example, liquid level measurement is a kind of distance measurement. The tradi...[Details]
DSP and ARM Processors
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