CABLING 1. Describe the three most common types of cabling media used in LANs. Coaxial Cable. Coaxial cable comes in two versions: Thinnet and Thicknet. Thinnet looks like regular TV cable.* It is about 1/4 inch in diameter and is very flexible and easy to work with. In contrast‚ Thicknet is about 1/2 inch in diameter and not very flexible. Thicknet is older and not very common anymore except as a backbone within and between buildings. Coax transmits at 10 Mbps.. Twisted Pair. Twisted pair looks
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Oscilloscope _ An oscilloscope (also known as a scope‚ CRO‚ DSO or‚ an O-scope) is a type of electronic test instrument that allows observation of constantly varying signal voltages‚ usually as a two-dimensional graph of one or more electrical potential differences using the vertical or ’Y’ axis‚ plotted as a function of time‚ (horizontal or ’x’ axis). Although an oscilloscope displays voltage on its vertical axis‚ any other quantity that can be converted to a voltage can be displayed as well
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1. Discuss one of the skin physical properties that assigned to your group. Sweating is one of the categories of the physical properties of skin. To simulate the sweating of the skin properties‚ metals and textiles are the materials to simulate the sweating properties. One of the properties of sweating is evaporation. Evaporation involves a liquid changing to a gas. The liquid particles with high enough energy can escape from the surface of the liquid. These form a vapour above the liquid surface
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+1.0% was achieved for the prototype with a 12-bit MDAC having an accuracy of 4-0.2%. Keywords: LCR measurement; Microcontroller-application; Quasi-balanced bridge; PSD-application 1. Introduction Measurement of components (inductance L‚ Capacitance C or resistance R) is essential in many fields of electrical and electronics engineering. Several schemes for LCR measurement have been developed for general as well as specific applications. These methods can be normally grouped into (a) bridge
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Stability is another problem associated with such high gain circuits due to any unintentional positive feedback that may be present. The bandwidth of the common-emitter amplifier tends to be low due to high capacitance resulting from the Miller effect. The parasitic base-collector capacitance appears like a larger parasitic capacitor (where the voltage gain is negative) from the base to ground. This large capacitor greatly decreases the bandwidth of the amplifier. The common- emitter circuit is
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Electrical Cable Cross section is just a two-dimensional view of a slice through an object. An often asked question: How can you convert the diameter of a round wire d to the circle cross section surface or the cross-section area A (slice plane) to the cable diameter d? Resistance varies inversely with the cross-sectional area of a wire. | ------------------------------------------------- Top of Form | Wire diameter d | unit | | | Cross-sectional area A | unit2 | | |
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sensors market is expected to grow at a CAGR of 15% from 2013 to 2018. Projected capacitive technology is preferred in most of the applications as compared to the surface capacitive technology. Projected capacitance is further classified into two types‚ namely self capacitance and mutual capacitance. Increasing demand of the sensors in the consumer electronics sector and reduction in the size of the sensor are considered to be the major driving factors of the market. Most of the major smartphone
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2010 12th International Conference on Computer Modelling and Simulation Comparison of LNA Topologies for WiMAX Applications in a Standard 90-nm CMOS Process Michael Angelo G. Lorenzo Maria Theresa G. de Leon Electrical and Electronics Engineering Institute University of the Philippines‚ Diliman Quezon City‚ Philippines mglorenzo1@up.edu.ph Electrical and Electronics Engineering Institute University of the Philippines‚ Diliman Quezon City‚ Philippines tess@eee.upd.edu.ph The rest
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The attenuation constant of a zero dissipationless line is given by………………. ∝=0 ∝=1 ∝=-1 ∝≠0 The phase constant of a zero dissipationless line is given by………………. β=0 β=1 β=ω√LC β=ω√RC The velocity of propagation in zero dissipationless line is given by………………. v=1/√LC v=1/√4LC v=√(L/C) v=2√(L/C) The standing wave ratio is given by………………. SWR=1/|〖E_MAX E〗_MIN | SWR=√(|E_MAX |/|E_MIN | ) SWR=|E_MAX |/|E_MIN | SWR=4|E_MAX |/|E_MIN | The standing wave ratio is given by………………. In
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Nano-scale Phase Change Materials (PCM’s) and Their Effect on Heat Transfer Fluids Sean Schulte‚ Chaoming Wang‚ Ming Su 1NanoScience Technology Center‚ 2Department of Mechanical‚ Materials‚ and Aerospace Engineering‚ University of Central Florida‚ Orlando‚ Florida 32826. mingsu@mail.ucf.edu Abstract: Introduction: Heat transfer fluids (HTF’s) are often used as carriers in heat transfer equipment. It therefor comes as no surprise that finding a way to make HTF’s more efficient is desirable
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