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1 Introduction In actual radio and television transmission work, the entry test of new transmitters and the daily indicator test of transmitters all involve audio testing. The audio spectrum anal...[Details]
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The basic information required for motor selection includes: the type of load driven, rated power, rated voltage, rated speed, and other conditions.
1. Type of load driven
This has to b...[Details]
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The circuit is shown in the attached figure (click to enlarge). When powered on, the +5.5V power supply charges C1 through R1, and also charges C2 through R2. However, since the time constants of R1 ...[Details]
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Author: by Giusy Gambino, Marcello Vecchio, Filippo Scrimizzi STMicroelectronics, Catania, Italy When doing distributed intelligence design in automotive power management systems, for intelligent p...[Details]
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Researchers have successfully created tiny magnetic
robots
that can work together to grasp and assemble objects in a three-dimensional environment. The microrobots are made of one-millimete...[Details]
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According to Jiwei.com, the clock oscillator is one of the basic components of electronic products, the heart of all electronic systems, and the foundation for the normal operation of the system. Its...[Details]
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(CWW) During the 2023 Global Mobile Broadband Forum (Global MBB Forum 2023), Cao Ming, President of Huawei's wireless network product line, released the world's first full range of 5.5G product solut...[Details]
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Briefly describe the space allocation of the internal RAM of the MCS-51 microcontroller. What are the main parts of the lower 128 bytes of internal RAM? What are the main functions of each part?
Th...[Details]
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White LEDs
can be roughly divided into three types according to the way they emit light.
The most common method is to use
blue LEDs
with a wavelength between 410 and 460 nm
+ yello...[Details]
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IFA 2019, Europe's largest consumer electronics show, officially opened on the 6th (local time). Korean companies have become the focus of the spotlight one after another, but unlike last year, the c...[Details]
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These motors must be subject to mandatory CCC certification
The Compulsory Product Certification Catalog Description and Definition Table (revised in 2023) has been released, among which low-p...[Details]
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Since the outbreak of the epidemic, the demand for global smart wearable market, like most terminal products, has experienced a decline from the highs in the fourth quarter of 2019 to the coldness in...[Details]
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Goodix Technology's acquisition of NXP's voice and audio solutions has finally been successfully reviewed recently. Goodix Technology will use NXP's VAS business to help customers create more competi...[Details]
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In the process of firing bricks and tiles, the moisture content of the bricks is a parameter that needs to be strictly controlled. According to the process requirements, the moisture content of the b...[Details]
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introduction
At present, the domestic solar automatic trackers in my country mainly include: differential pressure solar tracker, controlled release solar tracker, clock solar tracker, and...[Details]