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[introduction] what effect does capacitance have mediumly in stabilized voltage circuit? In the analysis capacitance is in the action in stabilized voltage circuit, it has element of two kinds of electrons, one kind is the capacitance that this chapter will introduce, the grade in the graph is C1, C2, C3; Another kind is LM7805 of integrated circuit of 3 upright stabilized voltage, the grade in the graph is U1. LM7805 is integrated circuit of a kind of 3 upright stabilized…

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[introduction] the 0 voltage that one of advantages of LLC are comparing MOSFET of former edge of the implementation inside wide laden range namely are enlightened (ZVS) , the enlightened loss of MOSFET is theoretic fall for 0. The 0 voltage that one of advantages of LLC are comparing MOSFET of former edge of the implementation inside wide laden range namely are enlightened (ZVS) , the enlightened loss of MOSFET is theoretic fall for 0. Want to assure the ZVS…

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[introduction] inductance is the physical quantity that measures coil to generate electromagnetism induction capacity. Connect electric current to a coil, magnetic field can produce all round coil, coil has flux to pass. The power supply that connects coil is larger, magnetic field is stronger, the flux that passes coil is bigger. The experiment proves, the flux that passes coil and the electric current that connect become direct ratio, their ratio is called from feeling coefficient, also be called inductance. Inductance…

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[introduction] new Cisco ability (Synopsys, inc. ) announce, arm is newest and advanced floating platform (include Arm®Cortex®-A76, Cortex-A55 and Arm Mali™-G76 processor) inchoate the person that use, contain Fusion technology through using™platform of design of new Cisco ability, Verification Continuum™Platform, and DesignWare®Interface IP, realized SoC successfully to flow piece. In addition, the QuickStart Implementation Kits (QIKs) of Cortex-A76 and Cortex-A55 already appeared on the market now, can accelerate appear on the market time optimizes function, power comsumption and area (PPA)…

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[introduction] people cannot leave oxygen all the time, adopt induction air and obtain oxygen. An adult needs induction air to amount to 6500 litres everyday in order to obtain enough oxygen, accordingly, the air that was polluted has immediate effect to human body health. There is 90% aboves time to be spent indoors in the person’s lifetime, indoor air quality is more crucial to the person’s influence.     As the ceaseless development of market economy and science and technology,…

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[introduction] I designed a circuit with the 8 D/A converter of Signetics company. Everything is very normal, I am extremely glad. But be less than a year of time, the issue came. The rate that D/A changes becomes suddenly mysterious, reading ascendant Yuanchao is normal limits. Original, I did not notice, signetics company added a diode newly in the product. . .   I ever designed a circuit with the 8 D/A converter of Signetics company. Because I overlooked what…

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[introduction] machine vision system uses very short Jiang Guangshan bright to produce high speed image to apply at all sorts of data processing application. For instance, the conveyer belt of sudden shift undertakes through machine vision system fast ticket and blemish detect. Infra-red with laser LED flashlight commonly used detect at short range and motion machine vision. Safe system gives out the high speed, LED flashlight that is aware of hard to detect motion, capture and memory safety is video….

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[introduction] introducing choke introduces first before modular inductance in all, choke is one kind uses abate circuit inside the low impedance coil of high frequency electric current. To raise its inductance choke has the core that material of one soft magnetism makes normally. In all modular choke has many same coil, electric current flows reversely in these coil, because this is in the core of choke,magnetic field offsets.   1 in all modular inductance principle   Introducing choke introduces first…

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[introduction] the development that accompanying times of science and technology, module power source gets market reception more greatly also, when use module power source, how should enhance the stability of module power source and dependability? A few fields are traversed below, electric capacity of input, output is received outside introducing how to be chosen, in order to promote module the stability of the service life of power source and whole power supply system, reliability. Accompanying the development of times of…

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[introduction] although the voltaic lens such as current source of such as Howland is mixed,circuit attributes imitate circuit part when education, have as before quite the engineer of one part is in the apt when defining accurate imitate circuit to output considers an issue from the angle of voltage. Although the voltaic lens such as current source of such as Howland and circuit are when education,attribute imitate circuit part, have as before quite the engineer of one part is in…

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