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The electricity that why uses 4~20mA will transmit imitate quantity?

The electricity that why uses 4~20mA will transmit imitate quantity?

[introduction] everybody may be familiar with RS232 very much, RS485, the commonly used bus line on the industry such as CAN, they are the means of transmission number signal. So, with what means we transmit imitate signal? General need measures the of all kinds physical quantity that be not report on industry, for example temperature, pressure, speed, angle, these need to be changed into imitate to measure telegraphic number ability to transmit hundreds of meters of control outside room or…

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Deepness unscrambles: Principle of wave of Ka Erman filter

Deepness unscrambles: Principle of wave of Ka Erman filter

[introduction] many rich guests related to wave of Ka Erman filter, paper read on the net, or is to talk about sensibility of academic, lack only, perhaps have perceptual knowledge, lack academic derivation. Can of both of give attention to two or morethings little little, saw a Bo Wen of abroad till me, true Jing admires I, must admire an author the spirit of this kind of meticulous in a subtle way, the interpreter comes over to be shared with…

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3 kinds of models with electrostatic the most commonly used discharge reach his to defend design

3 kinds of models with electrostatic the most commonly used discharge reach his to defend design

[introduction] human body of this model token is live discharge of osculatory parts of an apparatus, rb is resistor of equivalent human body, cb is capacitance of equivalent human body. Equivalent circuit pursues as follows. The ESD grade of model of HBM of parts of an apparatus gave out at the same time in the graph.   1.HBM: Human Body Model, mannequin:   Human body of this model token is live discharge of osculatory parts of an apparatus, rb is…

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Diode, do you understand her really?

Diode, do you understand her really?

[introduction] diode sort has a lot of, according to uses semiconductor data, can divide the diode that it is germanium (Ge is in charge of) with silicon detector (Si is in charge of) . Differ according to its utility, can divide wait for demodulation diode, rectification diode, stabilized voltage diode, switch diode. Press structure of core of in charge of, can divide again reach plane diode for point contact diode, surface contact diode.     Point contact diode is to…

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Che Zailei amounts to test system

Che Zailei amounts to test system

[introduction] NI Che Zailei amounts to test system (VRTS) was the 76 car radar systems to 81 GHz to offer automation radar to measure with fraise imitate function. The engineer can use VRTS to check car hardware and software subsystem, include radar sensor, ADAS subsystem and embedded software. VRTS has agile fraise to create a function, but imitate the setting that all sorts of generating, etc of radar of help engineer test is advanced drive support system (of ADAS) embedded…

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EN of power source chip cites the crural effect to electric machinery control plate

EN of power source chip cites the crural effect to electric machinery control plate

[introduction] embedded the systematic level chip of the core technology that hardware design will make 21 centuries microelectronics (the 3 old crucial techniques in SoC) design and domain of mutual and shirt-sleeve a few research were done elaborate in detail, the challenge that faces to SoC design and development trend undertook expectation.   Embedded the systematic level chip of the core technology that hardware design will make 21 centuries microelectronics (the 3 old crucial techniques in SoC) design and domain…

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The labour principle of circuit of half bridge inversion reachs common error

The labour principle of circuit of half bridge inversion reachs common error

[introduction] circuit of half bridge inversion is electronic ballast and electron in energy-saving lamp the most commonly used also be the basiccest circuit, understand its working principle correctly, will conduce to us choosing yuan of parts of an apparatus to be like the magnetism annulus transformer, parameter that controls the element such as the galvanic feeling, capacitance that start reasonably, arrange the drive circuit of dynatron correctly, in order to reduce its power comsumption and quantity of heat, raise the…

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Congratulatory mankind enters a month 50 years: TI the one stride of integrated circuit

Congratulatory mankind enters a month 50 years: TI the one stride of integrated circuit

[introduction] on July 20, 1969, verie Lima of TI aerospace engineer and domestic person are amounting to Laside a community of the area swim when the pool swims, hear a lady suddenly to cry: It should realize “ ! ”     “ mankind is about to land a moon, ”verie says. When “ should hear this news, swim Chi Li’s everybody jumps out at the same time almost and return respective car to go up. ”   Verie and…

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The signal catenary of supersonic system devises a note

The signal catenary of supersonic system devises a note

[introduction] high-powered exceed acoustic imaging system to apply extensively at all sorts of medicine setting. In going 10 years, the schism circuit in supersonic system already by the chip with compositive height (IC) be replaced. Advanced semiconductor technology drives systematic performance to optimize ceaselessly reach dimension miniaturization. These changing profit from is of all kinds chip technology, if amplifier of special low noise, much passageway is low,power comsumption ADC, compositive high pressure blasts off, optimized silicon craft and much chip…

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Luomurong wins the associated innovation award that song Er issues

Luomurong wins the associated innovation award that song Er issues

[introduction] the whole world is famous collect Mu had the honor to win semiconductor manufacturer recently song Er Inc. (” of Er of song of “ of the following abbreviation) ” of issued award of “ combination innovation. This award it is to commend to develop the associated innovation with song Er actively, er of the song that help strength makes difference change the supplier of competitive advantage. Because collect Mu undertakes associated developing in the domain such as sensor…

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