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1. What are the symptoms when the motor capacitor is broken?
1. The motor cannot start
The most common symptom of a bad motor capacitor is a motor that will not start. When the capacitor ...[Details]
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1. When measuring, use the "Ohm" range of the multimeter. Generally, use the Rx100 or Rx1k range, not the Rx1 or Rx10k range. Because the current of the Rx1 range is too large, it is easy to burn out...[Details]
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The low-voltage CMOS two-stage OTA circuit uses a common source and common gate structure M1~M11 in the first stage, which can improve the gain compared with the basic two-stage amplifier and overcom...[Details]
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As efficiency requirements continue to grow, many power supply manufacturers are turning their attention to bridgeless power factor correction (PFC) topologies. Generally speaking, bridgeless PFC c...[Details]
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As security monitoring has gradually become a hot topic of social demand, the development of security technology has received more and more attention from all aspects of society. The scale of the dome...[Details]
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//Digital clock design
#include reg52.h // Header file containing 51 MCU register definitions
unsigned char Tab ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; //control shape
unsigned char p...[Details]
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1. What is digital power supply? What is the essential difference between digital power supply and analog power supply?
The essence of the so-called digital power supply is that the PWM regu...[Details]
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Abstract: This article introduces the design structure of a high-speed A/D system with a sampling rate of 500 megabits/second and a sampling accuracy of 8 bits, as well as problems in high-speed...[Details]
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introduction
Sub-metering applications such as smart plugs and appliance meters enable consumers to understand and control their energy usage. Other sub-metering applications, such as server powe...[Details]
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Phase Shifter Introduction
Phase shifting between two signals of the same frequency, especially power frequency signals, is an important means of simulating and analyzing accidents in the field of ...[Details]
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It was originally a good online press conference, but no one would have thought that it would be the beginning of the crisis for Xpeng Motors. Xpeng Motors announced that the 2020 Xpeng G3 is offic...[Details]
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Recently, scientific research teams from Beijing University of Chemical Technology and others have developed a high-performance epidermal sensor that can heal. The research results were published in ...[Details]
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As upstream "cross-border players" begin to deploy lithium battery projects, downstream companies are finding it increasingly difficult. After the "battery shortage" began to spread to various aut...[Details]
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On December 4, BOE A issued an announcement stating that the company publicly listed 100% of the equity of Beixu Electronics for transfer on the Beijing Equity Exchange on November 4, 2020, with a tr...[Details]
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Electric vehicle battery fires are not uncommon. Although statistically less likely than internal combustion engine vehicles, when a battery fire occurs, it can continue to burn for hours or even d...[Details]
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