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In 1895, Marconi successfully carried out radio communication of about 3 kilometers. Six years later, in 1891, he transmitted and received Morse code telegrams across the Atlantic Ocean between Engla...[Details]
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Contents The invention relates to a gas measuring device, in particular to a wafer-type cone tube flowmeter for petroleum and natural gas. Background of the Invention In the oil and gas extraction ...[Details]
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On March 9, it was learned from the Northwest Branch of State Grid that, under the impact of the new coronavirus epidemic, the overall growth of electricity consumption in society has dropped sharp...[Details]
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The JDS-2000 relay protection tester is another new relay protection test equipment developed by our company in 2000. The weight of the equipment is only 10 kg without changing the main body. It adop...[Details]
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New Energy Vehicle Market Trends and Technology Overview
※The global automotive industry is ushering in a period of great change in the next 100 years:
➢ In the next 10 years, new energy ...[Details]
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#include pic.h #define uchar unsigned char #define uint unsigned int __CONFIG(0x3B31); //__CONFIG (CP_OFF &WDTE_OFF& BOREN_OFF&PWRTE_OFF &FOSC_HS&WRT_OFF&LVP_OFF&CPD_OFF); int a ={0x30,0x31,0x3...[Details]
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How to use a multimeter to measure the electrodes of a thyristor? Here is an introduction: 1. Detection of unidirectional thyristor Select the resistance R×1 gear on the multimeter, and use the...[Details]
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Qualcomm Inc. of the United States announced its wireless power supply technology for electric vehicles (EVs) that stops charging when metal objects are detected (Figure 1) at the International C...[Details]
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Power MOSFET and IGBT tubes have the following requirements for their drive circuits:
(1) The gate-source drive pulse voltage amplitude UGS must be large enough. In order to reduce the on-state r...[Details]
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From a power budget perspective, the RF power amplifier (RF PA) powered directly by the battery is an important component to consider. Traditionally, the RF power amplifiers used in the CDMA/WCDMA ...[Details]
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The commonly used MCS51 and PIC series microcontrollers usually have only one (or no) UART asynchronous serial communication interface. If multiple serial interfaces are required in the application sy...[Details]
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With the rise of global environmental awareness, new energy vehicles have gradually become a popular means of transportation. More and more car manufacturers have begun to reduce their investment in ...[Details]
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The sequel to the baseband chip story between Apple and Qualcomm has begun to unfold again. According to a report by Bloomberg on December 10, Apple's chip chief told employees that Apple ha...[Details]
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The magnetic float level gauge works on the principle of magnetic coupling. The product makes up for the multiple shortcomings of glass tube level gauges that cannot work under high temperature and h...[Details]
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(Image source: American Chemical Society official website) According to foreign media reports, electric vehicles have always been affected by temperature changes, mainly because their lithium-io...[Details]