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Generally, many materials and textbooks believe that the on-resistance of MOSFET has a positive temperature coefficient, so it can work in parallel. When the temperature of one of the parallel MOSFETs...[Details]
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The common faults encountered in the use of electromagnetic flowmeters are generally the faults of the instrument itself, that is, the faults caused by damage to the instrument structure or componen...[Details]
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The biggest bottleneck of new energy vehicles is the battery, but once the breakthrough of solid-state batteries is completed, the bottleneck problem will be completely solved, and now the good news ...[Details]
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EL34 (6CA7) is an audio power pentode tube first introduced by Philips in 1956. At that time, its appearance brought an improvement to the sound quality of audio amplifiers. Its designed anode dissip...[Details]
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#include reg52.h #define uchar unsigned char #define uint unsigned int sbit key1=P3^2; //Press key1 to pause playback sbit key2=P3^3; //Press key2 to switch songs sbit fm=P3^7; //Buzzer serial IO p...[Details]
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The race is on to develop lithium metal batteries, which can store more charge in a given space than current lithium-ion batteries, for use in the next generation of electric vehicles , electronics a...[Details]
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Among the blue, green, and blue-green diodes currently produced, all use GaN-based sapphire substrates and MOCVD technology to produce chips. The characteristics of this type of chip are: good brightn...[Details]
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It is rumored that Apple's new iPhone will use AMOLED display. Not only that, many smartphones have or are expected to use AMOLED displays. What are the advantages of AMOLED technology? Why do sm...[Details]
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introduction
With the advancement of science and technology and the continuous improvement of production quality requirements, people's choice and use of home appliances have shifted from only...[Details]
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The instrument that uses ultrasonic testing method to detect is called ultrasonic flaw detector. Its principle is: when ultrasonic wave propagates in the material to be tested, the ac...[Details]
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I. Introduction
With the continuous acceleration of the industrialization process, cars have become synonymous with the new era. At present, the number of cars in various countries is constantl...[Details]
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Today we will talk about a question that everyone is curious about, why computers are getting slower and slower. I believe everyone has experienced this. When you first bought a computer, it was like...[Details]
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Today, Xiamen issued the "Opinions on Implementing the Plan to Doubling High-Tech, High-Growth and High-Value-Added Enterprises" (hereinafter referred to as the "Opinions"). This policy is committe...[Details]
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Today marks the fifth anniversary of the Apple Watch, which has skyrocketed in popularity since its release in 2015. To celebrate the device's fifth anniversary, Imran Chaudhri, a designer who w...[Details]
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Industrial automation control systems are an indispensable part of modern industrial production. They use various sensors, actuators, controllers and other equipment to achieve real-time monitoring...[Details]
Analog electronics
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