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Recently, the "2021 Global Photovoltaic Top 20 Ranking" initiated and hosted by 365 Photovoltaic was released in Hangzhou. Qingyuan Technology, a company in the Torch High-tech Zone, was selected a...[Details]
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In order to analyze the distribution of iron loss in each area of the stator of a high-speed permanent magnet synchronous motor, the variation law of radial flux density and tangential flux densi...[Details]
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Recently, Ruili Scientific Instruments (Shanghai) Co., Ltd. (hereinafter referred to as "Rui Li") announced that it has obtained more than 120 million yuan in financing, with investors including Pudo...[Details]
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What should I do if the facial recognition camera cannot see the face? Since 2015, when facial recognition surpassed human accuracy, the recognition accuracy has jumped 100,000 times in four years. I...[Details]
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1 Introduction Ultrasonic detector is an essential device for non-destructive testing of concrete. This instrument detects parameters such as the travel time, first wave amplitude and main frequency ...[Details]
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Challenges of LED Power Supply As a new type of electric light source, LED has obvious advantages in making large luminous three-dimensional characters and luminous signs. It has low control ...[Details]
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The Semiconductor Industry Association (SIA) of the United States announced on the 3rd local time that global semiconductor industry sales in November 2021 were US$49.7 billion, a year-on-year and mo...[Details]
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TDK will be exhibiting various components and system solution products at the 2024 Munich Shanghai Electronics Show in Hall E6, Booth 6506
TDK offers a variety of demonstrations a...[Details]
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1 Introduction
The water level measurement and control device is an important measurement and control equipment for hydropower plants. The upstream and downstream water levels of hydropower plants ...[Details]
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Compared with satellite and manned aircraft remote sensing platforms, drones are low-cost and highly flexible. In order to meet the needs of scientific remote sensing experiments, complete remot...[Details]
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The ISO 26262 standard is a globally recognized automotive functional safety standard that covers the entire product life cycle, including functional safety management, concept stage development, sys...[Details]
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Car anti-theft devices are devices installed on cars to increase the difficulty of car theft and prolong the time of car theft. Some of them also have alarm functions, which are the protectors of ...[Details]
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Recently, the China (Shenzhen) Machine Vision Exhibition was held at the Shenzhen International Convention and Exhibition Center. XinGe Intelligent showed five major products including the laser 3D p...[Details]
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General filament power supply circuit
Figure 1. General filament power supply circuit
The power supply for the filament of the final stage high-power transmitting tube of a 10kW TV transmitter...[Details]
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In the figure, SPKR1 and SPKR2 are both piezoelectric tweeters, which are used to send and receive ultrasonic waves. The core of the circuit is the 567 phase-locked loop integrated circuit, which c...[Details]
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