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Since 2020, affected by multiple uncertain factors such as the COVID-19 pandemic and intensified Sino-US trade frictions, both the demand side of the terminal market and the upstream supply side have...[Details]
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0 Preface
In the microwave RF field, one of the biggest challenges when testing a device is how to eliminate the harmful fixture effects. Port extension and TRL calibration are one of the simples...[Details]
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The sensor body of the open channel flow meter is made of plastic, so it is lightweight and corrosion-resistant. The open channel flowmeter has a simple structure and no moving parts. This flowmeter ...[Details]
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Abstract: Among various input devices, electromagnetic handwriting has its own irreplaceable advantages, and it has a monopoly in the market in application scenarios such as professional painting a...[Details]
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EMC refers to the ability of a device or system to work in its electromagnetic environment and not cause unbearable electromagnetic disturbance to any object in the environment. As a power supply li...[Details]
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1. Hardware Solution This design is a calculator simulation system design with 51 single-chip microcomputer as the core. The input uses a 4×4 matrix keyboard, which can perform addition, subtraction,...[Details]
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In recent years, with the development of power electronics technology, static variable power supplies are increasingly widely used in the fields of industry, military, medical treatment, aerospace,...[Details]
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(1)
UPS
configuration:
lead-acid batteries
Since they are cheap and can be made into large capacity, almost all UPS configurations are fully sealed and maintenance-free lead-...[Details]
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Soft-start thyristor is a power electronic device used to control the start and operation of the motor. It has the advantages of smooth start, high operating efficiency and convenient control. In p...[Details]
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Before discussing the specific decoding content of the oscilloscope, let’s first look at the changes in protocol decoding that have occurred with the development of oscilloscopes. 1. Briefly describe...[Details]
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Recently, Freudenberg, a global technology group headquartered in Weinheim, Germany, held the 2023 Global Innovation Forum. Representatives from Freudenberg's business groups, global R&D teams, and ...[Details]
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Introduction: What is PWM? I won't explain it in detail. Just search on the Internet. PWM regulation is widely used in control. Using PWM control can make the circuit simple and reliable, and the chi...[Details]
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Zero point calibration is to synchronize the robot's information and position information to define the robot's physical position so that the robot can move accurately to the original position. Usu...[Details]
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For a newly designed circuit board, debugging often encounters some difficulties, especially when the board is large and has many components, it is often difficult to start. But if you master a set o...[Details]
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Experiment name: Fabrication and vibration characteristics test application of power amplifier based on two-dimensional elliptical ultrasonic vibrator
Experimental purpose: To test and verify ...[Details]