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When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[Details]
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In today's world, terrorism poses a severe challenge to social development, national stability and human progress. "Terrorism, political corruption and environmental pollution" are known as the thr...[Details]
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1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
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Abstract
Modbus protocol has become the first choice of communication protocol in the current industrial field due to its openness, transparency, low cost and easy development. This paper int...[Details]
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The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
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The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]
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DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (parallel or serial) for...[Details]
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0 Introduction
As a major component of intelligent transportation, vehicle navigation and positioning has become a research hotspot recently . With the global positioning system (GPS) being u...[Details]
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With the significant increase in the use of portable electronic devices such as media players, PDAs, and mobile phones, external power supplies (EPS) or battery chargers have begun to occupy power ...[Details]
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1 Introduction
Today, with the development of control, computer, communication, network and other technologies, the field of information exchange is rapidly covering all levels from the fa...[Details]
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Recently, Vishay Intertechnology, Inc. announced the launch of the ultra-high precision Accutrim™ series trimming potentiometers using Bulk Metal® foil technology - the 1202 series. This series of ...[Details]
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SMT5026 is the first product in the LED driver chip series launched by Shanghai Sijing Microelectronics Co., Ltd. for the international and domestic LED display market. Its excellent performance in...[Details]
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Central topics:
Introduction to transceiver duplexers
Introduction to surface wave filters used in high-frequency wireless communication circuits of mobile phones
Prospects for the...[Details]
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When IEC31000-3-2 became mandatory in 2001, many companies began to consider
Power Factor Correction
(
PFC
) in their designs, including lighting equipment, portable tools, all electronic eq...[Details]
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Introduction: This topic comes from a project of Beijing Puji General Company. Since the company’s existing stand-alone spectroscopic instrument products (such as 1810, T6, etc.) use parallel port...[Details]
MEMS sensors
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