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In practical applications, it is often necessary to output voltage, current and other signals. Especially in the industrial control industry, 4-20mA conversion is often used. If the AD421 chip is use...[Details]
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1. Cache
We often see that CPU parameters often mention the 1st, 2nd, and 3rd level cache capacities, and sometimes there is also an L1$ label. What is this?
TLB and t...[Details]
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1. Conductivity:
Conductivity (total dissolved solids) is abbreviated as TDS. Conductivity is the ability of an object to conduct electric current. The measuring principle of the conductivity m...[Details]
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In the most primitive testing process, the testing of integrated circuits (ICs) relied on experienced testers using instruments such as signal generators, multimeters, and oscilloscopes. This testing...[Details]
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On the evening of October 27, GEM disclosed its 2023 third quarter report. In the first three quarters, the company achieved revenue of 20.228 billion yuan, net profit attributable to the parent compa...[Details]
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How ECD works
The electron capture detector (ECD) is the most sensitive gas chromatography detector and the earliest selective detector. It only responds to compounds that can captu...[Details]
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Internet giants flocked to the mobile Internet in 2011, and the enthusiasm has not diminished to this day. In particular, the past week was called "Mobile Internet News Week" by the media, with consta...[Details]
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3.3.4.2 Variable Gain Amplifier Since a passive attenuation network with large attenuation is used in the signal conditioning channel, in order to dynamically adjust the sampling range of the A/D, we...[Details]
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In this testing article, we will cover checking. In this section, you will ensure that the design meets the efficiency standards and other required specifications such as line and load, ripple, trans...[Details]
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The U.S. Postal Service today debuted its first electric vehicle charging station in Atlanta, Georgia, the first of many expected to be deployed at "hundreds" of new sorting and delivery centers this ...[Details]
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Recently, the list of winners of the Wu Wenjun Artificial Intelligence Science and Technology Award, known as the "highest award for intelligent science and technology in China", was officially anno...[Details]
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For the augmented reality/virtual reality devices that Apple is developing, if the user's dominant eye can be determined, this information will help optimize the performance of the eye tracking syste...[Details]
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Documents involved
/etc/init.d/rcS: The script file that will be started after booting up, which will set global variables, mount files, create directories, and start some scripts and processe...[Details]
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ATmega128 is an 8-bit low-power CMOS microprocessor based on AVR RISC architecture. Due to its advanced instruction set and single-cycle instruction execution time, ATmega128 has a data throughput of...[Details]
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The electrocardiograph is a precision electronic medical instrument that records the bioelectric signals generated by the activity of cardiac tissue and is widely used in modern medical scientific...[Details]
Making friends through disassembly
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