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Production of three-way speakers
Speaker Selection
In the production of three-way speakers, the choice of speakers is crucial. We generally divide speakers into three categories: tweeters...[Details]
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Nor Flash Start Nor Flash：SST39VF1601 ---2MB SDRAM: HY57V561620FTP-H, capacity: 256Mb (16M×16bit) = 32MB, frequency: 133MHZ, development board with 2 pieces * 32MB = 64MB Preface: This step o...[Details]
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The 3×4 matrix keyboard is connected to the microcomputer through the parallel interface chip 8255A. Port A of 8255A is defined as the output port, connected to the keyboard row line; port B is def...[Details]
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Ultra-small single-stage amplifier LNA for GPS
TOREX SEMICONDUCTOR LTD. has launched the XC2401A8167R-G, an ultra-small single-stage amplifier 1.6GHz LNA (low noise amplifier) suitable for GPS us...[Details]
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0 Introduction
As people's requirements for the safety of their living and working environments continue to increase, the importance of security prevention has become increasingly prominent. Vi...[Details]
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Nowadays, words about "big" such as "big fusion", "big security", "big integration", and "big data" fill our ears every day. If you think about it carefully, you can find that they are closely rel...[Details]
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Fault protection is an important function that all power supply controllers have. Almost all applications require overload protection. For peak current mode controllers, this function can be easily...[Details]
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The European Commission has issued an AI ethics code, proposing seven conditions that "trustworthy" AI should meet. In the next phase, the European Commission will launch a trial of the AI ethics c...[Details]
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uPC is an 8-bit preset counter composed of two 74HC161 chips. The preset data comes from IBUS. The upper six bits of instruction IBUS are connected to the upper six bits of uPC preset, and the lower ...[Details]
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The electrical characteristics of white light LEDs are highly discrete, and white light LEDs are a homogeneous electric light source and a semiconductor lighting device. It has the characteristics ...[Details]
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Portable pressure calibrator is one of the portable calibrators and a new type of test instrument. The turbine flowmeter not only solves the calibration of standard pressure, but also better meets ...[Details]
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__no_init volatile union
{
unsigned short WDTCTL; /* Watchdog Timer Control */
struct
{
unsigned short WDTIS0 : 1; /* */
unsigned short WDTIS1 : 1; /* */
unsigned sh...[Details]
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At the 2020 Industrial Internet Conference held recently, Zhao Dachun, deputy general manager of China Mobile, delivered a keynote speech entitled "5G+Industrial Internet, Opening a New Chapter of Di...[Details]
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Developing in-vehicle infotainment systems is more challenging than ever before. In fact, supporting so many inconsistent and even conflicting requirements requires a whole new approach. Designin...[Details]
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Since 2021, the penetration rate of China's hybrid market, especially plug-in hybrid vehicles (PHEVs), has increased significantly.
According to the report, the market penetration rate...[Details]
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