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The network analyzer was developed on the basis of the four-port microwave reflectometer (see standing wave and reflection measurement). In the mid-1960s, it was automated, using a computer to correc...[Details]
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Amplifier circuits can be said to be the basic unit of analog signal processing circuits, especially for high-frequency receivers and transmitters. In the receiver, the amplifier circuit amplifies...[Details]
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3.6 Matrix Keyboard 3.6.1 Schematic diagram of matrix keyboard To use the matrix keyboard, you need to connect JP4 to JP8 (P1) and disconnect the JP165 jumper cap (otherwise the rightmost row of the ...[Details]
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In 2011, Australia has taken the lead in banning the use of incandescent lamps, which has opened the prelude to the large-scale popularization of LED lamps. In addition, as EU countries, Japan, Ca...[Details]
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SMIC issued an announcement stating that on June 2, as part of the RMB share issuance, the company has entered into the China Information and Communications Technology Agreement with China Informatio...[Details]
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0 Introduction
In recent years, drones have been widely used in military and civilian fields. The remote control link of drones is the nerve center of the entire drone system, and its reliabili...[Details]
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In a single-chip microcomputer system, the program is usually stored in flash, and the data that is not easy to lose is usually stored in EEROM (such as the AT24C02, AT24C256 that we often use). It i...[Details]
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When doing electromagnetic compatibility (EMC) testing, you usually think of radiated emissions testing with a spectrum analyzer. But oscilloscopes can also be used for EMC testing. One application t...[Details]
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Nokia announced that the Chinese version of X71 has officially started pre-sale. The 6GB+64GB version is priced at 2,199 yuan, and the 6GB+128GB version is priced at 2,699 yuan. Nokia X71 has ...[Details]
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Pointer instruments are widely used in scientific experiments and production because of their simple structure, easy maintenance, no electromagnetic interference, high reliability, and low price. When...[Details]
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91Mobiles reported that a new Samsung phone called Samsung Galaxy A51s appeared on Geekbench with model number SM-A516V, and some parameters and specifications were also exposed. It is repo...[Details]
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On November 2, holoride, an augmented reality in-car entertainment company, announced the release of a cutting-edge in-car entertainment platform in Germany and installed it in Audi cars, combining...[Details]
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According to foreign media reports, Skoda Auto's comprehensive connected services have added a new function: owners of some models can receive intelligent recommendations based on their location thro...[Details]
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Among Fluke's many copper cable test equipment, there are three certified equipment, namely DSX-600, Versiv DSX2-5000, and Versiv DSX2-8000. As two flagship products of Fluke's DSX CableAnalyzer seri...[Details]
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1. MPEG-4 encoding is difficult to implement
1. MPEG-4 encoding chip
At present, the application of MPEG-4 in embedded systems is mainly dedicated MPEG-4 encoding chips, and its usage is similar t...[Details]
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