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At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
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With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
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The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
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At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
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It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
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0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
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The Challenge:
Develop a communications-flexible portable measurement device that can record
high-frequency transients
in power systems
and display the data online to multiple users...[Details]
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The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
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Abstract: Based on CPLD as the core, a manageable SAS hard disk backplane is designed. While conveniently replacing the faulty hard disk, it can indicate the working status of the hard disk by cont...[Details]
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Zinc-air batteries have the advantages of large specific capacity, high specific energy, stable discharge performance, cheap and easy-to-obtain raw materials, and no environmental pollution during ...[Details]
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High brightness LEDs (HBLEDs) are rapidly gaining popularity in the automotive, consumer electronics, and industrial markets. Brilliant colors, long life, and high energy efficiency are some of the...[Details]
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1 Introduction to CMOS Detector
Radiographic detection technology uses X-rays to detect discontinuities inside materials and displays images on recording media. With the continuous advancement of...[Details]
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Ultrasonic flow meter
Ultrasonic flowmeter is an instrument that measures flow by detecting the effect of fluid flow on ultrasonic beams or ultrasonic pulses. As a non-contact measuring instrumen...[Details]
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White light LED lighting has been widely recognized by everyone for its high efficiency, low power consumption, energy saving and environmental protection. In essence, LED is a light-emitting diode. I...[Details]
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According to the requirements of 915MHz RFID electronic tags, the overall circuit of the electronic tag is designed as follows. It mainly consists of the RF interface part and the control part. The RF...[Details]