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The integrated operational amplifier (OPA) is a high-gain multi-stage direct-coupled amplifier, and its internal structure is shown in Figure 1.
The application of integrated operational am...[Details]
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PCB circuit board chemical laboratory
1. Acid Number (Acid Value) Acid value refers to the amount of free acid contained in 1 gram of grease, wax or flux. The test method is to dissolve the sample ...[Details]
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Abstract: This paper introduces in detail the automatic voltage and current stabilizing DC power supply, charging power supply and floating charging power supply for power operation composed of CF ...[Details]
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The working principle and frequency resolution of spectrum analyzer are briefly introduced, and how to select frequency resolution and improve test sensitivity when using spectrum analyzer for testin...[Details]
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Network analyzers have four main applications in the high-speed digital field: (1) Signal integrity measurement Previous articles: Why do I need PLTS software to make signal integrity measuremen...[Details]
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Because it is powered by dry batteries and needs a long standby time, and the cost is limited and stm8l cannot be used, so the journey of low power consumption begins 1. Component selection When se...[Details]
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1. Heart rate measurement principle 1. What is a heart rate module? The heart rate module is professionally used to monitor the heart rate of the wrist, fingers, forehead, earlobe, chest and other ...[Details]
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On November 24, BOE issued an announcement stating that the company received a notice from the property rights exchange on November 23, 2020. As of November 20, 2020, Sharp Corporation, the original...[Details]
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As an "upgraded version" of traditional millimeter-wave radar, 4D millimeter-wave radar has finally exploded this year after years of precipitation. Recently, driven by Tesla, a number of listed co...[Details]
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Select iptables version 1.4.0. There is a problem with no entry function in higher versions, which will be solved later. download link: http://www.netfilter.org/projects/iptables/downloads.html ...[Details]
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Recently, the household TBEA-GC-5KTL inverter independently developed by TBEA New Energy was successfully installed and debugged in Adelaide, South Australia, Australia, and successfully connected ...[Details]
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In the early morning of April 23rd, Beijing time, Tesla's Automotive Investor Day was held in Palo Alto, California. Tesla released the long-awaited fully self-driving 3.0 hardware and the lates...[Details]
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TDA1514 is a high-fidelity audio amplifier that can output 50W audio power. The power supply voltage is between 10V and 30V. It can be used as a home amplifier.
The TDA1514 integrated ci...[Details]
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The ATmega168 status register contains information about the results of the most recently executed arithmetic instruction. This information can be used to change the program flow to implement conditi...[Details]
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In recent years, China's engineering construction has developed rapidly, and urban high-rise buildings have also achieved unprecedented rapid development. The quality of pile foundation and its actual...[Details]