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No one knows whether Apple is actually making cars, but Tesla is indeed about to be "hollowed out" by Apple. On March 31, Michael Schwekuch, Tesla's vice president of engineering, joined Apple's Sp...[Details]
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Well-known digital blogger @摩卡 complained that the current smart watches are not perfect: "It's so hard to find a satisfactory smartwatch. All I need is support for esim, various basic motion sensors...[Details]
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The 51 single-chip microcomputer source program is as follows: #include reg52.h #include "function.h" #include "word_lib.h" #define X_WIDTH 128 //Number of dots per line on the display #define Y_W...[Details]
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According to Bloomberg, people familiar with the matter revealed that the Biden administration in the United States may put pressure on China by maintaining the former Trump administration's investme...[Details]
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MCU
The motor controller is the nerve center connecting the motor and the battery, and is used to adjust the performance of the entire vehicle. Sufficiently intelligent electronic control can ...[Details]
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National Semiconductor has launched a variety of power modules in the SIMPLE SWITCHER® product series. Among them, the LMZ series module is a highly integrated, high-efficiency buck regulator with a ...[Details]
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The driving of high-power LED requires low DC voltage and high current, so traditional power supply is not suitable for driving it directly, so ordinary step-down and voltage-stabilizing power sup...[Details]
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Last week, Apple officially pushed the official version of iOS 13 to the public. Recently, foreign media 9to5mac brought a summary of solutions to common update failure problems. Delete and download ...[Details]
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On July 28, Shaanxi Xixian New Area Airport New City, China Steel Research Institute, and Guohong Zhongjing jointly signed an investment agreement on two projects: silicon carbide semiconductor new m...[Details]
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Design of L-Band Low Noise Amplifier
introduction
Low noise amplifier (LNA) is a key microwave component in electronic systems such as radar, communication, electronic countermeasure, telemetry...[Details]
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1 Introduction
As the mandatory national standard GB15579.10-2008 is about to be implemented, how to improve the electromagnetic compatibility (EMC) of inverter welding machines to meet the ...[Details]
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Compared with traditional mechanical meters, electronic meters can realize three important functions: recording electricity usage time, prepayment, and automatic meter reading. They also have high acc...[Details]
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A Bode plot with three poles and one zero will be used to analyze the gain and phase margin. Assuming a DC gain of 80dB, the first pole occurs at 100Hz. At this frequency, the slope of the gain curve...[Details]
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The oscilloscope is one of the most important and commonly used electronic testing tools. With the development of electronic technology, the capabilities of oscilloscopes are constantly improving. Th...[Details]
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The intelligent soft start cabinet is an electrical device used to control the start and stop of the motor. It controls the starting current and voltage of the motor to achieve smooth start and sof...[Details]