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With the rapid development of power electronics and microelectronics, variable frequency speed regulation technology is also improving with each passing day. The continuous improvement of intellige...[Details]
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Earlier today, Apple launched the iOS 15.2.1 and iPadOS 15.2.1 systems, which mainly address vulnerabilities in the iPhone and iPad. The official also called on users to upgrade quickly. Acc...[Details]
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In industrial control, electrical equipment usually uses three-phase
power supply
as the working power supply. However, the working power supply is often disturbed by various factors, resul...[Details]
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Abstract: The glossary provides a detailed description of AC performance terms related to high-speed data converters such as ADCs and DACs. It also gives some insight into the test conditions these pa...[Details]
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In order to promote energy conservation, government agencies or regulatory organizations around the world have formulated different LED lighting specifications, mainly in terms of power factor ...[Details]
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Computer power supply removal diagram 1. First remove the rectifier diodes at the 5V output terminals (keep the 12V rectifier diodes), replace the filter capacitor at 12V, and refer to the above ...[Details]
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On September 24, Shenzhen South Circuit said in response to questions from investors that the company's main products include printed circuit boards, package substrates and electronic assemblies. Amo...[Details]
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1 Introduction to SAW Technology
Surface acoustic wave (SAW) is a kind of sound wave that is concentrated on the surface of the earth and propagated by energy, which was discovered...[Details]
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The frequency offset measurement method developed in the vector network analyzer can effectively solve the problem of reciprocity difficulties and the need for mixer/converter consistency testing. It...[Details]
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1 Introduction to the principle of switching power supply
1) A switching power supply is a high-frequency switching energy conversion electronic circuit, often used as a power supply for equipmen...[Details]
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#include reg52.h typedef unsigned int u16; typedef unsigned char u8; sbit beep=P1^5; void delay(u16 i) { while(i--); } void main() { u16 i,j; while(1) { for(i=1;i 200;i++) { b...[Details]
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Jinglun Electronics released its 2018 performance announcement. During the reporting period, the company achieved operating income of RMB 398 million, an increase of 16.35% over the previous reportin...[Details]
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In portable electronic products, higher power efficiency means longer battery life, and linear regulator efficiency = output voltage × output current / input voltage × input current × 100%. Therefore...[Details]
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Behind the fight against the epidemic is the grassroots grid-based investigation, and the investigation is inseparable from the support of AI. From over 10,000 confirmed cases in a single day to a ...[Details]
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Ethernet is a very important peripheral communication interface for personal computers and consumer electronics. With the emergence of the new generation Ethernet protocol 10GBASE-T, while the tran...[Details]
Microcontroller MCU
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