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Recently, the first switchgear data center in Anhui Province, Hefei Zhonghai Data Station, was officially put into operation. The station integrates urban power supply and data service functions, a...[Details]
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Finite impulse response (FIR) digital filters have been widely used in the field of digital signal processing due to their flexible design, good filtering effect and easy control of transition band...[Details]
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0 Preface
With the development of urban economy, the harm caused by induced lightning and lightning wave intrusion has greatly increased. Lightning rods on general buildings can only preve...[Details]
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Color consistency
LED full-color display is a new type of indoor and outdoor large-size electronic communication media. It has the characteristics of large size, good environmental adaptability,...[Details]
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1 Introduction
In some electronic instruments and equipment, an adjustable voltage source or current source with excellent performance is often required. In the past, operational amplifiers ...[Details]
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【Abstract】 According to the timing analysis of McBSP and CPLD, the CPLD is designed in VHDL language to simulate McBSP and communicate with it in full duplex mode, and the actual interface timing r...[Details]
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0. Introduction & Experimental Equipment It was a bit boring to stay in the laboratory alone during the National Day of 2020. I looked through the gaps that had not been filled and found that my unde...[Details]
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The solar back film is made of three layers of polymer film. The middle layer is a PET film with a thickness of 150-350μm, and the outer two layers are 25μm fluorine-containing films. PET film is not...[Details]
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There are many single-chip microcomputer manufacturers today, and their products have different performances. Which model should we choose for specific situations? First, let's clarify two concepts: ...[Details]
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According to the definition of IEC/SC65C of the International Electrotechnical Commission, the digital, serial and multi-point communication data bus between the field devices installed in the manu...[Details]
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In the technical parameters of the inverter, there is a maximum allowable access power. Most manufacturers mark it as 1.1 to 1.2 times the rated power, but some manufacturers mark it as 1.4 times t...[Details]
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Q: In a recent RAQ I mentioned a current transformer, what is it and how do I use it? A: A current transformer is just a different use of an ordinary transformer. You can find it in textbooks, but...[Details]
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PCB
Design and Layout
In a two-layer
PCB
,
the S-Touch
touch controller
and other components are arranged on
the bottom layer of
the PCB
, and the...[Details]
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Apple announced at the end of the press conference today that the official versions of iOS 14, iPadOS 14, watchOS 7 and tvOS 14 will be released on the 17th. Of course, all products will be equipped ...[Details]
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The problem of unstable servo motor speed usually involves multiple factors. The following is a detailed analysis and solution to this problem:
1. Cause Analysis
(1) Problems with the mot...[Details]
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