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Late July to early August is the season of frequent summer thunderstorms. The Beijing Lightning Arrester Safety Inspection Center announced in this year's annual lightning protection inspection tha...[Details]
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At present, there are more and more opportunities for audio amplifiers to be interfered by strong RF electric fields. Many audio amplifiers are not designed with high-frequency signal interference ...[Details]
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Preface: LED is widely used in the lighting industry and can be seen in all major lighting projects. However, with its large-scale use, many problems have also surfaced. How to make good use o...[Details]
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According to Jiwei.com, "dual carbons" are getting closer, and many leading energy industry leaders have begun to deploy clean energy around "dual carbons". Recently, according to Tianyancha, Xi'an L...[Details]
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Background: On July 5, the "Gas Industry NB-IoT Application Professional Forum" jointly organized by Global Meter, Xi'an Permite Technology, and China NB-IoT Industry Alliance was grandly held in Xi'...[Details]
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As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in a wider range of applications, among which LED street lights are a focus of industry atten...[Details]
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Magnetic flap level gauge can be used for medium level detection of various towers, tanks, tanks, spherical containers and boilers. Magnetic flap level gauge can be highly sealed, leak-proof and sui...[Details]
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The past five years have seen a steady stream of new designs on the smartphone market (let’s be honest, all smartphones look the same), but this year’s Mobile World Congress (MWC) saw a lot of innova...[Details]
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I am currently working on a project that uses ADC for acquisition and DAC output. I would like to make a summary of the DAC outputting 0V voltage. The STM8L151 has an embedded Output Buffer, which ...[Details]
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The capacitor step-down circuit is a common low-current power supply circuit. Due to its advantages of small size, low cost, and relatively constant current, it is also often used in LED drive circui...[Details]
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1. Introduction
The power devices used in UPS include bipolar power transistors, power MOSFETs, thyristors and IGBTs. IGBTs have the advantages of easy driving, simple control and high swi...[Details]
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An oscilloscope can better measure AC signals and view waveforms, becoming a powerful helper for radio enthusiasts. As a precision measuring instrument, the price of an oscilloscope is much higher ...[Details]
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Other people buy cars to drive, but we buy cars to dismantle. Recently, we learned some methods to dismantle the headlight assembly of a car, so we also took out the BMW 5 Series B48 of our colleag...[Details]
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Oscillator Working Principle
1. Introduction
2. Oscillator Basics
3. Electronic Oscillators
4. Resonant Circuits
introduction
...[Details]
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Let's take a look at the ARM storage system:
It can be seen that the fastest are the processor and internal registers, which are few in number and very expensive. Next is TCM tightly cou...[Details]
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